AMERICAN MEN OF SCIENCE 



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elec. eng, 94, prof, 94-05, prof, and elec. director, 

 05- Consulting engineer; expert and officer in 

 various industrial companies. Elec. Eng; Mech. 

 Eng ; Eng. Educ. ( v. pres. ) ; Electrochem. Soc ; 

 Harrisburg Eng. Club (director). Alternating 

 currents and alternating current machinery. 



Jackson, Prof. L(ambert) L(incoln), State Normal 

 School, Brockport, N. Y. Mathematics. Bing- 

 hamton, N. Y, April 14, 70. A.B, Michigan, 

 97, A.M, 99; B.Pd, Mich. Nor. Col, 00. Instr. 

 math, Mich. Nor. Col, 91-00; prof, State Nor. 

 Sch, Brockport, N. Y, 00- Math. Soc. The 

 teaching of mathematics in the sixteenth cen- 

 tury. 



Jackson, Dr. Robert T(racy), 9 Fayerweather 

 St, Cambridge, Mass. * Paleontology. Dor- 

 chester, Mass, July 13, 61. B.S, Harvard, 84, 

 Sc.D, 89. Instr. paleont, Harvard, 92-99, asst. 

 prof, 99- F.A.A. (sec'y, F, 98) ; Soc. Nat; Geol. 

 Soc; fel. Am. Acad. Anatomy, structure and 

 phylogeny of Pelecypoda and Paleozoic Echini ; 

 localized stages in development of plants and 

 animals. Developmental stages in colonial 

 animals. 



Jacobi, Dr. A(braham), 19 E. 47th St, New York, 

 N. Y. *Medicine. Hartum, Germany, May 

 6, 30. Greifswald, 47; Gottingen, 48; M.D, 

 Bonn, 51. Prof, diseases of children, N. Y. 

 Med. Col, 60-65; Univ. Med. Col, 65-70; clin. 

 prof, Columbia, 70-00, prof, 00-02, emer. prof, 

 02- LL.D, Michigan, 98; Columbia, 00; Yale, 

 05. Am. Physicians (pres, 96) ; Pediat. Soc. 

 ( pres, 89, 05 ) ; Climat. Ass. ( pres, 98 ) ; Med. 

 Librarians (pres, 05) ; Laryngol. Soc; Am. 

 Acad; Wash. Acad; N. Y. State Med. Soc. 

 (pres, 82) ; N. Y. Co. Med. Soc. (pres, 71-72) ; 

 N. Y. Acad. Med. (pres, 85-89); N. Y. Path. 

 Soc. (pres, 64) ; N. Y. Obstet. Soc. (pres, 66) ; 

 fel. N. Y. Acad ; Phila. Col. Physicians ; Boston, 

 Buffalo and Louisville Obstet. Societies; Brook- 

 lyn Med. Soc; Paris and Berlin Obstet. Socie- 

 ties ; Wiirzburg Physikalisch. Med. Gesell ; Paris, 

 St. Petersburg and Kiev Pediat. Societies ; Buda- 

 pest Royal Med. Soc; Rome Royal Med. Soc. 

 The diseases of women and children ; dentition 

 and its derangement ; diphtheria ; infant hy- 

 giene; intestinal diseases; therapeutics of in- 

 fancy and childhood. 



Jacobs, Prof. Elbridge C(hurchill), University of 

 Vermont, Burlington, Vt. Chemistry, Metal- 

 lurgy, Mineralogy. Ogunquit, Me, Feb. 15, 73. 

 B.S, Mass. Inst. Tech, 97. Asst. mining and 

 metal, Mass. Inst. Tech, 97-99; instr. chem. and 

 miner, Vermont, 99-01, asst. prof, 01-04, prof, 

 Olf- Chem. Soc. Analytical chemistry. 



Jacobus, Prof. D(avid) S(chenck), 88 Summit Ave, 

 Jersey City, N. J. Mechanical engineering, 

 Physics. Ridgefield, N. J, Jan. 20, 62. M.E, 

 Stevens, 84. Instr. and asst. prof. exp. mech, 

 Stevens, 84-98, prof. exp. mech. and eng. phys- 

 ics, 98-03, in charge of Carnegie Lab. of Eng, 

 00-, prof. exp. eng, OS- F.A.A. (sec'y, D, 93, 

 v. pres, 04) ; Math. Soc; Mech. Eng. (manager, 

 00, v. pres, 03) ; Min. Eng; Eng. Educ; Naval 

 Archit. and Marine Eng; Soc. Refrig. Eng. 



(director, 04); Franklin Inst; N. Y. Railroad 

 Club. Steam engineering. 



Jacoby, Prof. Harold, 333 W. 76th St, New York, 

 N. Y. *Astronomy. New York, March 4, 65. 

 A.B, Columbia, 85, Ph.D, 96. Asst. astronomer, 

 U. S. Eclipse Exped. to W. Africa, 89-90; vol. 

 asst, Cape of Good Hope Observatory, 90; adj. 

 prof, astron, Columbia, 94-04, acting head, 

 Dept. Astron, 03-, prof, Olf- F.A.A; Astron. 

 and Astrophys. Soc; Math. Soc. (treas. and ed, 

 'Bui.') ; fel. N. Y. Acad, (councilor and sec'y) ; 

 fel. Royal. Astron. Soc; Astron. Gesell. Appli- 

 cation of photography to astronomical measure- 

 ments of precision; stellar parallax. Star 

 clusters; variation of latitude; aberration of 

 light; polar photography. 



Jacoby, Prof. Henry S(ylvester), 7 Reservoir Ave, 

 Ithaca, N. Y. Bridge engineering. Spring- 

 town, Pa, April 8, 57. C.E, Lehigh, 77. Mem. 

 topog. corps, Second Pa. Geol. Surv, 78; transit- 

 man, gaging Red River and Atchafalaya River, 

 79; chief draftsman, U. S. Engineer's Office, 

 Memphis, Tenn, 79-85; instr. civil eng, Lehigh, 

 86-90 ; asst. prof, bridge eng. and graphics. Cor- 

 nell, 90-94, assoc. prof, 94-97, prof, 97- F.A.A. 

 (sec'y, D, 95, v. pres, 01); Civil Eng; Eng. 

 Educ. (sec'y, 00-02, ed, ' Proc,' 00, 01). Bridge 

 stresses and design; graphic statics. Stresses 

 in metallic arches and in reinforced concrete 

 arches. 



Jacques, Dr. William White, 469 Beacon St, Bos- 

 ton, Mass. Physics. Haverhill, Mass, Aug. 

 10, 55. B.S, Mass. Inst. Tech, 76; A.M. Ph.D, 

 Hopkins, 80. Expert, Am. Bell Telephone Co, 

 80-97. Lecturer elec. eng, Mass. Inst. Tech, 

 87-90. Fel. Am. Acad. Physics and chemis- 

 try, s 



Jaggar, Dr. T(homas) A(ugustus), Geological Mu- 

 seum, Cambridge, Mass. Geology. Philadel- 

 phia, Pa, Jan. 24, 71. A.B, A.M, Harvard, 94; 

 Heidelberg and Munich, 94-95; Ph.D, Harvard, 

 97. Instr. geol, Harvard, 95-03, asst. prof, 03-; 

 prof, and head, Dept. Geol, Mass. Inst. Tech, 

 03-; asst. geologist, U. S. Geol. Surv, 98- Instr, 

 Wellesley, 02. Fel. Am. Acad. Experimental 

 geology; vulcanology; physical mineralogy. 

 The Carribbean eruptions of 1902. 



James, George Wharton, 1098 N. Raymond Ave, 

 Pasadena, Cal, and Syracuse, N. Y. Ethnology, 

 Archeology. Gainsborough, England, Sept. 27, 

 58. Co-editor, 'The Craftsman,' 04-05. Popu- 

 lar lecturer, Stanford, Cal. Acad, Princeton, 

 Columbia, Drexel Inst, Franklin Inst, New York 

 Board of Educ, Brooklyn Inst, Teachers Col, 

 etc. Geol. Soc; Pacific Astron. Soc; S. Cal. 

 Acad; Royal Astron. Soc; Royal Micros. Soc; 

 Victoria Inst. Symbolism of Indian basketry 

 designs ; folk-lore ; present social conditions of 

 the Indians of California and the Amerinds of 

 the southwest; the old Franciscan missions in 

 California and the southwest; the Colorado 

 desert. 



James, Dr. J(oseph) H(idy), Carnegie Technical 

 Schools, Pittsburg. Pa. Chemistry. Jefferson- 

 ville, O, Nov. 3, 68. B.S, Buchtel, 94; Colum- 



