1214:
639:
38:
322:. For 50 years he delivered and published 279 scientific articles, books and essays. He named 1,842 species of fifty genera of freshwater and land mollusks, however many of the species he described are not distinct. His publications on geology included a range of topics including coal, earthquakes, fossils and minerals.
271:
and Lea in as partners and changed the company name to
Matthew Carey & Sons. Matthew retired in 1824 and another of his sons joined the firm and the name was changed to Carey, Lea & Carey. In 1833, William A. Blanchard was brought on as a partner and the firm was briefly known as Carey, Lea
815:
Proceedings of the Joint
Meeting of the American Philosophical Society, Historical Society of Pennsylvania, Library Company of Philadelphia, University of Pennsylvania, Academy of Natural Sciences of Philadelphia. Held January 20, 1911 - Presentation of Portraits of Henry Charles Lea and Isaac
325:
In 1849, Lea presented a paper on fossilized footprints he discovered in red sandstone in Mount Carbon, Pennsylvania. Lea contended the tracks were reptilian and that due to the strata of rock where the footprints were found, they were from the
272:& Blanchard until Henry Charles Carey retired in 1836 and the firm name was changed again to Lea & Blanchard. The publishing house became one of the most successful in America, and was known for publishing items such as
385:. Henry Charles Lea (September 19, 1825 – October 24, 1909) was an American historian, civic reformer, and political activist in Philadelphia. Mathew Carey Lea (1823–1897) was a lawyer as well as founder of
878:
229:
in 1699. His parents were James J. Lea, a merchant, and
Elizabeth Gibson Lea. He was studying to be a physician, but began working at his brother John's import business in Philadelphia at the age of 15.
304:
Lea devoted his leisure time to natural history, both collecting objects and publishing books (some illustrated by his son Henry
Charles Lea). He was especially interested in freshwater and land
182:
and named 1,842 species of fifty genera of freshwater and land mollusks. He sparked a scientific controversy amongst geologists when he published about his discovery of fossilized footprints in
381:
achieved distinction in scholarly fields and the family publishing business. The brothers married the Jaudon sisters and their children also joined the family business, which ultimately became
252:. The unit served as a home guard and never saw action, however he was still expelled from the Religious Society of Friends. In 1820, he married Frances Ann Carey, daughter of noted publisher
342:
proposed that the footprints were not those of a reptile but rather those of an amphibian. The footprints have since been identified as coming from an amphibian known as
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428:
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206:
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during his work on the geology of New York. Many geological histories are defined by mollusk fossils which led Lea to also study living mollusks.
286:
In 1851, Isaac retired from the publishing business and made his son Henry
Charles Lea a full partner and the name was changed to Lea Brothers.
419:
579:
620:
595:
464:
Two slabs of rock containing the fossilized footprints and plaster casts of the footprints discovered by Lea are in the collections of the
1253:
358:
279:
In the early 1830s, he became a partner in the
Dauphin and Susquehanna Coal Company which owned 42,000 acres on the eastern bank of the
1318:
301:
In 1815, Lea joined the
Academy of Natural Sciences and published his first paper on minerals found in the Philadelphia area in 1817.
1248:
571:
1081:
1050:
1019:
687:
1308:
1273:
987:
925:
755:
587:
588:
Observations on the Genus Unio, Together with
Descriptions of New Genera and Species in the Family Unionidae, Volumes 6-7
1313:
1268:
458:
221:
Lea was born on March 4, 1792, in
Wilmington, Delaware. His grandparents, John and Hannah Hopton Lea, emigrated to the
1278:
248:
but forsook his faith's traditional pacifism and joined the 7th
Company of the 24th Pennsylvania Militia during the
1137:
382:
787:
501:
841:
653:
354:
813:
267:
His father-in-law Mathew Carey founded the Matthew Carey & Company publishing company and brought his son
1258:
237:
as a child and the two developed an interest in geology and were exposed to the mineralogical collection of
334:. The finding sparked a controversy in the geology community and the date of the fossil was challenged by
535:
316:
which he presented at the American Philosophical Society in 1827 and was the first of multiple papers on
477:
Lea, I. 1818. An account of the minerals at present known to exist within the vicinity of Philadelphia.
312:
and shells collected by his brother near Cincinnati. Lea described these specimens in the publication
183:
77:
1283:
482:
222:
612:
465:
439:
347:
199:
308:. He studied mollusks from the Ohio River submitted to the Academy of Natural Sciences by Major
1293:
1158:
Lea, Isaac (1871-04-01). "Descriptions of Twenty New Species of Uniones of the United States".
542:
Lea, Isaac (1871-04-01). "Descriptions of Twenty New Species of Uniones of the United States".
20:
911:
309:
1243:
1238:
398:
89:
58:
8:
335:
330:
Period between 360 and 408 million years old and constituted a new species that he named
268:
170:& Sons; Carey, Lea & Carey; Carey, Lea & Blanchard; and Lea & Blanchard.
1175:
648:
559:
1167:
983:
904:
551:
447:
374:
280:
131:
1218:
443:
386:
378:
135:
1198:
1103:
977:
952:
402:
295:
234:
318:
194:
over 360 million years old. The fossil has since been identified as that of an
178:
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1171:
643:
555:
488:(1823) Complete, Historical, Chronological, and Geographical American Atlas
339:
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238:
226:
167:
146:
580:
On the Fossil Foot-marks in the Red Sandstone of Pottsville, Pennsylvania
249:
461:
has the records of Lea & Febiger, as well as predecessor companies.
361:(1858–1863), both based in Philadelphia. Lea served as president of the
1179:
1041:
563:
159:
1072:
1010:
1129:
625:
451:
195:
163:
686:
Fillmore, David; Simpson, Edward; Sullivan, Robert; Lucas, Spencer.
651:; Peck, H. T.; Colby, F. M., eds. (1905). "Lea, Isaac (1792-1886)".
642: This article incorporates text from a publication now in the
327:
191:
397:
He died on December 8, 1886, in Philadelphia and was interred in
305:
187:
525:
Lea I. (1838). "Description of New Freshwater and Land Shells".
688:"Following in the Footsteps of Isaac Lea's Historic Footprints"
245:
1160:
Proceedings of the Academy of Natural Sciences of Philadelphia
544:
Proceedings of the Academy of Natural Sciences of Philadelphia
158:(March 4, 1792 – December 8, 1886) was an American publisher,
174:
173:
He authored multiple books describing the freshwater mussel
37:
604:
479:
Journal of the Academy of Natural Sciences of Philadelphia
16:
American publisher, conchologist and geologist (1792-1886)
685:
1110:. Guido T. Poppe & Philippe Poppe - Conchology, Inc
338:, the state geologist of Pennsylvania. Noted geologist
859:
405:
wrote a poem dedicated to Lea titled "To Isaac Lea".
357:(elected in 1828) and also served as president of the
847:
730:
718:
706:
211:
American Association for the Advancement of Sciences
363:
American Association for the Advancement of Science
957:. Philadelphia: John C. Clark and Sons. p. 28
903:
528:Transactions of the American Philosophical Society
511:Transactions of the American Philosophical Society
314:Description of Six New Specimens of the Genus Unio
259:He received an LL.D. degree from Harvard in 1853.
599:, Smithsonian Institution, Washington, June, 1860
1230:
819:. Historical Society of Pennsylvania. p. 52
505:, Carey, Lea & Blanchard, Philadelphia, 1833
166:. He was a partner in the publishing businesses
647:
1289:Burials at Laurel Hill Cemetery (Philadelphia)
1299:Members of the American Philosophical Society
910:. Glencoe, Illinois: The Free Press. p.
1264:American businesspeople in the coal industry
918:
1304:People from Pennsylvania in the War of 1812
638:
359:Academy of Natural Sciences of Philadelphia
216:
207:Academy of Natural Sciences of Philadelphia
186:, that he incorrectly proposed were from a
782:
780:
749:
747:
745:
681:
679:
677:
675:
673:
671:
669:
667:
596:Check Lists of the Shells of North America
353:He was a member and vice-president of the
36:
1104:"Shellers From the Past and the Present"
1082:Global Biodiversity Information Facility
1051:Global Biodiversity Information Facility
1020:Global Biodiversity Information Facility
901:
765:. The Historical Society of Pennsylvania
408:Three mollusks were named in his honor,
1196:
950:
865:
853:
777:
742:
736:
724:
712:
664:
575:, Blanchard and Lea, Philadelphia, 1852
508:(1837). "Observations on the Naiades".
1231:
811:
616:(Lea, 1834) – a carnivorous land snail
836:
834:
657:(1st ed.). New York: Dodd, Mead.
116:
753:
583:, self-published, Philadelphia, 1852
289:
276:and a dictionary of German lexicon.
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1151:
1122:
975:
572:A Synopsis of the Family of Naiades
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392:
13:
1254:19th-century American male writers
831:
459:Historical Society of Pennsylvania
446:now has his immense collection of
262:
92:, Philadelphia, Pennsylvania, U.S.
14:
1330:
1319:Writers from Wilmington, Delaware
1208:
521:Synopsis of the Family of Naiades
1249:19th-century American geologists
1138:Smithsonian Institution Archives
982:. New York: Everyman's Library.
637:
454:, as well as other collections.
19:For the English footballer, see
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1065:
1034:
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969:
944:
895:
871:
471:
112:
1200:Pioneers of Science in America
842:New International Encyclopedia
805:
654:New International Encyclopedia
495:Observations on the Genus Unio
355:American Philosophical Society
205:He served as president of the
1:
1197:Youmans, William Jay (1896).
1130:"Isaac Lea Papers, 1832–1876"
812:Cheney, Edward Potts (1911).
209:from 1858 to 1863 and of the
119:; died 1873)
1309:Scientists from Philadelphia
1274:American publishers (people)
788:"Biography of Matthew Carey"
631:
590:, J. Kay, Philadelphia, 1857
350:over 330 million years ago.
202:over 330 million years old.
7:
1215:Works by or about Isaac Lea
954:The Conchologists' Exchange
902:Baltzell, E. Digby (1958).
756:"Lea & Febiger Records"
692:www.paheritage.wpengine.com
10:
1335:
1203:. D. Appleton and Company.
1190:
274:The Encyclopedia Americana
233:He was close friends with
184:Mount Carbon, Pennsylvania
78:Philadelphia, Pennsylvania
18:
1314:Writers from Philadelphia
1269:American company founders
976:Poe, Edgar Allen (1995).
368:
142:
126:
96:
85:
66:
44:
35:
28:
1279:American science writers
624:(Lea, 1871) – named for
502:Contributions to Geology
389:and early photographer.
344:Palaeosauropus primaevus
223:Province of Pennsylvania
217:Early life and education
694:. Pennsylvania Heritage
613:Euglandina vanuxemensis
466:Smithsonian Institution
951:Averell, M.D. (1886).
906:Philadelphia Gentlemen
792:www2.vcdh.virginia.edu
607:named by Lea include:
21:Isaac Lea (footballer)
310:Stephen Harriman Long
1259:19th-century Quakers
930:www.encyclopedia.com
883:search.amphilsoc.org
879:"APS Member History"
399:Laurel Hill Cemetery
90:Laurel Hill Cemetery
59:Wilmington, Delaware
926:"Henry Charles Lea"
336:Henry Darwin Rogers
269:Henry Charles Carey
932:. encyclopedia.com
448:freshwater mussels
332:Sauropus primaevus
1108:www.conchology.be
989:978-0-375-71259-3
434:
425:
416:
383:Lea & Febiger
379:Matthew Carey Lea
375:Henry Charles Lea
348:Mississippian Age
290:Scientific career
281:Susquehanna River
200:Mississippian Age
153:
152:
132:Henry Charles Lea
102:Frances Ann Carey
1326:
1284:American Quakers
1219:Internet Archive
1204:
1184:
1183:
1155:
1149:
1148:
1146:
1144:
1126:
1120:
1119:
1117:
1115:
1100:
1094:
1093:
1091:
1089:
1075:Periploma leanum
1069:
1063:
1062:
1060:
1058:
1046:F.C.Baker, 1907"
1038:
1032:
1031:
1029:
1027:
1007:
1001:
1000:
998:
996:
973:
967:
966:
964:
962:
948:
942:
941:
939:
937:
922:
916:
915:
909:
899:
893:
892:
890:
889:
875:
869:
863:
857:
851:
845:
838:
829:
828:
826:
824:
809:
803:
802:
800:
798:
784:
775:
774:
772:
770:
760:
754:Majewicz, Cary.
751:
740:
734:
728:
722:
716:
710:
704:
703:
701:
699:
683:
658:
641:
640:
567:
450:from the family
432:
429:Periploma leanum
424:F.C. Baker, 1907
423:
414:
393:Death and legacy
387:mechanochemistry
294:Lea worked with
136:Mathew Carey Lea
120:
118:
114:
73:
70:December 8, 1886
54:
52:
40:
26:
25:
1334:
1333:
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1324:
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1229:
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1193:
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1142:
1140:
1128:
1127:
1123:
1113:
1111:
1102:
1101:
1097:
1087:
1085:
1077:(Conrad, 1831)"
1071:
1070:
1066:
1056:
1054:
1040:
1039:
1035:
1025:
1023:
1009:
1008:
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994:
992:
990:
974:
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945:
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864:
860:
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848:
839:
832:
822:
820:
810:
806:
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794:
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785:
778:
768:
766:
758:
752:
743:
735:
731:
723:
719:
711:
707:
697:
695:
684:
665:
634:
474:
440:National Museum
403:Edgar Allan Poe
395:
371:
296:Lardner Vanuxem
292:
265:
263:Business career
244:Lea was born a
235:Lardner Vanuxem
219:
192:Devonian Period
149:(father-in-law)
122:
110:
106:
103:
81:
75:
71:
62:
56:
50:
48:
31:
24:
17:
12:
11:
5:
1332:
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1276:
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1227:
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1221:
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1209:External links
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1192:
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1185:
1166:(2): 189–193.
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1064:
1033:
1013:Crenella leana
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988:
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894:
870:
868:, p. 264.
858:
856:, p. 262.
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550:(2): 189–193.
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486:
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433:(Conrad, 1831)
411:Crenella leana
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373:His two sons,
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497:. 13 volumes.
496:
493:(1827–1874).
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341:
340:Louis Agassiz
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86:Resting place
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1153:
1141:. Retrieved
1134:SIA RU007065
1133:
1124:
1114:30 September
1112:. Retrieved
1107:
1098:
1086:. Retrieved
1080:
1074:
1067:
1055:. Retrieved
1049:
1044:Lymnaea leai
1043:
1036:
1024:. Retrieved
1018:
1012:
1005:
993:. Retrieved
978:
971:
959:. Retrieved
953:
946:
936:22 September
934:. Retrieved
929:
920:
905:
897:
886:. Retrieved
882:
873:
866:Youmans 1896
861:
854:Youmans 1896
849:
840:
823:28 September
821:. Retrieved
814:
807:
795:. Retrieved
791:
769:29 September
767:. Retrieved
762:
737:Youmans 1896
732:
725:Youmans 1896
720:
713:Youmans 1896
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698:27 September
696:. Retrieved
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254:Mathew Carey
243:
239:Adam Seybert
232:
227:William Penn
220:
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177:
172:
160:conchologist
155:
154:
147:Mathew Carey
72:(1886-12-08)
1244:1886 deaths
1239:1792 births
1015:Dall, 1897"
763:www.hsp.org
250:War of 1812
1233:Categories
888:2021-04-07
621:Unio lawii
603:Molluscan
444:Washington
415:Dall, 1897
401:. In 1829
365:in 1860.
51:1792-03-04
1172:0097-3157
995:1 October
979:Poe Poems
961:1 October
797:1 October
632:Citations
626:Annie Law
556:0097-3157
452:Unionidae
346:from the
213:in 1860.
198:from the
196:amphibian
190:from the
164:geologist
156:Isaac Lea
143:Relatives
130:3 (incl.
30:Isaac Lea
519:(1838).
483:BHL link
328:Devonian
306:mollusks
127:Children
1217:at the
1191:Sources
1180:4624172
1143:9 April
1088:6 April
1057:6 April
1026:6 April
646::
564:4624172
188:reptile
121:
109:
105:
1178:
1170:
986:
562:
554:
369:Family
246:Quaker
115:
97:Spouse
80:, U.S.
61:, U.S.
1224:Grave
1176:JSTOR
759:(PDF)
560:JSTOR
538:–154.
225:with
175:genus
111:(
107:
1168:ISSN
1145:2012
1116:2022
1090:2023
1059:2023
1028:2023
997:2022
984:ISBN
963:2022
938:2022
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