AMERICAN MEN OF SCIENCE 



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Comstock, Dr. Theo(dore) B(ryant), S27 Beacon 

 St, Los Angeles, Cal. Geology, Mining engi- 

 neering. Cuyahoga Falls, O, July 27, 49. B. 

 Agr, Pa. State, 68; B.S, Cornell, 70, Sc.D, 86. 

 Instr. bot, Cornell, 68-70; prof. nat. science, 

 Pelham Priory, N. Y, 71-72; nat. hist, Miss 

 Nourse's Sch, Cincinnati, 73; acting prof, geol, 

 Cornell, 75-79; gen. manager, Niagara Consol. 

 M. and R. Co, Eureka, Colo, 79-84; mem. Mor- 

 ton and Comstock Elec. Co, Cleveland, 84-85; 

 prof, mining eng. and physics, Illinois, 85-89; 

 first asst. state geologist, Ark. Surv, 87; Texas 

 Surv, 89-91; director, Ariz. Sch. of Mines, 91- 

 95; pres, Arizona, 93-95; gen. manager and 

 consulting engineer, Prescott Devel. Syndicate, 

 Ltd, Glasgow, Scotland, 96-01 ; consulting engi- 

 neer, Glasgow companies, 01-02; El Carmen 

 Copper Co, Durango, Mex, 03-06; consulting 

 engineer, 04- Connected with various surveys 

 and expeditions, 70-77. F.A.A. (sec'y, E, 87) ; 

 Geol. Soc; Min. Eng; Nat. Geog. Soc; Nat. 

 Educ. Ass; S. Cal. Acad, (pres, 02-04) ; N. Y. 

 Acad; Davenport Acad; Buffalo Nat. Hist. Soc; 

 Cleveland Kirtland Soc. Nat. Hist; British 

 Inst. Min. Eng. Geology of gold and silver of 

 Arkansas; central mineral region of Texas, 

 southwest Colorado, Arizona, etc. Geology of 

 California, Arizona and Mexico. 

 Comstock, William James, 43 Trumbull St, New 

 Haven, Conn. Chemistry. Toledo, O, June 15, 

 60. Ph.B, Yale, 79; fellow, Hopkins, 81-82; 

 Munich, 82-87. Instr. org. chem, Sheffield Sci. 

 Sch, Yale, 88- Organic chemistry. 

 Conant, Prof. Levi L(eonard), 254 Salisbury St, 

 Worcester, Mass. * Mathematics. Littleton, 

 Mass, March 3, 57. A.B, Dartmouth, 79, A.M, 

 87; Clark, 90-91; A.M, Ph.D, Syracuse, 93. 

 Pub. sch. work, Minn, and S. Dak, 80-87; prof, 

 math, Dakota Sch. of Mines, 87-90; asst. and 

 assoc. prof, math, Worcester, 91-98, prof, 98- 

 Ed, 'Jour. Worcester Polytech. Inst,' 97- 

 F.A.A; Math. Soc. Primitive number work; 

 theory of functions and of groups. Theory of 

 groups; history of mathematical notation. 

 Conard, Dr. Henry S(hoemaker), Lansdowne, Pa. 

 Biology. Philadelphia, Pa, Sept. 12, 74. B.S, 

 Haverford, 94, A.M, 95; Harrison fellow, Penn- 

 sylvania, 99-01, Ph.D, 01, senior fellow, 01-03. 

 Teacher science, Westtown Boarding Sch, 95- 

 99; instr. bot, Pennsylvania, 03-05; Johnston 

 scholar, Hopkins, 05- Soc. Plant Morph. and 

 Physiol; Pa. Bot. Soc. (cor. sec'y). Nyni- 

 phaea; fasciations. Dennstaedtia. 

 Condra, Prof. George E(vart), Lincoln, Nebr. 

 Geology, Geography. Seymour, la, Feb. 2, 69. 

 B.S, Nebraska, 97, A.M, '98, Ph.D, 01. Head, 

 Science Dept, Lincoln Nor. Sch, 92-96; High 

 Sch, Lincoln, 96-02; instr. geog. and econ. geol, 

 Nebraska, 02-03, asst. prof, geol, 03-04, assoc. 

 prof. geog. and econ. geol, 0J t - Asst. Nebr. 

 Geol. Surv, 96-02; asst. state geologist, 02- 

 M.A.A; Micros. Soc; Nat. Geog. Soc; Nebr. 

 Acad. Coal measure Bryozoa of Nebraska; 

 sand and gravel industries of Nebraska; geol- 

 ogy and water resources of northeastern and 



southwestern Nebraska ; geography of Nebraska. 

 Sand-working industries; railroad ballast, 

 stratigraphy and soil areas of Nebraska. 



Congdon, Prof. Ernest Arnold, 1510 Walnut St, 

 Philadelphia, Pa. Chemistry. New York, N Y 

 Aug. 9, 66. Ph.B, Columbia, 87; Berlin, 89! 

 Chemist, Champlain Fibre Co, 87-89; instr. 

 chem, Lehigh, 90-02; prof, Drexel Inst, 92- 

 Assoc. ed, 'Sch. of Mines Quarterly.' Chem. 

 Soc; N. Y. Acad; fel. London Chem. Soc. 



Conklin, Prof. Edwin G(rant), University of Penn- 

 sylvania, Philadelphia, Pa. * Zoology. Waldo 

 O, Nov. 24, 63. B.S, Ohio Wesleyan, 85, A.B, 

 86, A.M, 89; Ph.D, Hopkins, 91. Prof, biol, 

 Ohio Wesleyan 91-94; zool, Northwestern, 94- 

 96; Pennsylvania, 96- Instr, Woods Hole, 91- 

 96; trustee, 95-; mem. Advisory Board, Wistar 

 Inst, Pennsylvania; assoc. ed, 'Jour, of Morph,' 

 'Biol. Bui.' and 'Jour. Exp. Zool'; ed, 'Con- 

 tributions from Zool. Lab, Univ. of Pa.' F.A.A 

 Soc. Nat; Soc. Zool. (pres, 99); Ass. An'at; 

 Soc. Exp. Biol, and Med; Philos. Soc. (sec'v, 

 01-) ; Phila. Acad. (v. pres, 02-). Embryology 

 of Gasteropoda, Brachiopoda and Tunicata; cel- 

 lular history of development; cytology, karyo- 

 kinesis and cytokinesis; cell size and body size; 

 organization of the egg; cause of inverse sym- 

 metry; organ-forming substances; cytoplasmic 

 organization and the nuclear inheritance theory. 

 Conn, Prof. H(erbert) W(illiam), 167 High St, 

 Middletown, Conn. * Biology, Bacteriology. 

 Fitchburg, Mass, Jan. 10, 59. A.B, Boston 81, 

 A.M, 82; Ph.D, Hopkins, 84. Instr. biol, Wes- 

 leyan, 84-86, asst. prof, 86-88, prof, 89-; di- 

 rector, Cold Spring Harbor, 89-97; bacteriolo- 

 gist, Storrs Exp. Sta, Conn. Agr. Col, 90-, lec- 

 turer dairy bacter, Col. Dept, 01-, Grad. Sch, 

 02- Director, Zool. Class, Marthas Vineyard, 

 86; lecturer, Trinity (Conn.), 87-89. Soc. Nat; 

 Soc. Bact. (sec'y, 99-01, pres, 02). Bacteriol- 

 ogy of milk and milk products. Bacteriology 

 of market milk; relation of bacteria to butter 

 and cheese making. 



Connolly, Dr. John M(atthew), 183 Harvard St, 

 Dorchester, Boston, Mass. Physiological chem- 

 istry. Windsor Locks, Conn, Feb. 25, 70. A.B, 

 Col. of the Holy Cross, 90, A.M, 92; M.D,' 

 Harvard, 00. Principal, Acad, Cohoes, N. Y, 

 90-91; High Sch, Blackstone, Mass, 92-93; 

 instr. math, High Sch, Waterbury, Conn, 93-96; 

 asst. physiol. and path, chem, Harvard Med. 

 Sch, 99- Am. Med. Ass; Mass. Med. Soc. 

 Effect of muscular exercise on the kidneys. 



Conoscenti, Dr. Euplio, 715 Charles St, West Ho- 

 boken, N. J. Mathematics. Petralia Sottana, 

 Italy, Sept. 30, 74. Palermo Tech. Inst, 88-92; 

 B.S, Palermo, 96, Math. D, 98. Librarian, 

 Circolo Matematico di Palermo, 97-98, director, 

 98-00; private instructor. Reduction of the' 

 Abelian integrals. 



Conrad, Abram H, 2011 Jackson Boulevard, 

 Chicago, Ills. Botany. Crawfordsville, Ind, 

 50. Wabash, 74; A.M, Wooster, 97; Chicago, 

 98-99. Teacher biol, West. Nor. Col, 84-89; 



