AMERICAN MEN OF SCIENCE 



693 



Trotter, Dr. Spencer, 'Pennyscroft,' Chevnev Pa. 

 Zoology. Philadelphia, Pa, Feb. 8, 60. "M.D, 

 Pennsylvania, 83. Res. physician, Pa. Hosp, 83- 

 85; prof, biol, Swarthmorc, 88- A.A ; mem. 

 Ornith. Union; Phila. Acad; fel. Roval Geog! 

 Soe. Ornithology-; anthropology; history of 

 nature names; Americana. 



Trowbridge, Prof. A(rthur) C(arleton), Iowa 



City, Iowa. Geology. Glasgow, Mo, March 

 4, 85. B.S, Chicago, 07, Ph.D, 11. Asst. 

 geol, Chicago, 07-09, instr, 09-11; prof, Iowa, 

 n- Field asst. 111. Geol. Surv, 07. geolo- 

 gist, 10. A.A; Geol. Soc; Iowa Acad. Strati- 

 graphic geology; terrestrial deposits; physio- 

 graphic work in driftless area. 



Trowbridge, Prof. Augustus, Princeton, N. J. 

 *Physics. NcAv York, N. Y, Jan. 2, 70. Co- 

 lumbia, 90-93; Ph.D, Berlin, 97. Instr. phys- 

 ics, Michigan, 98-00; asst. prof. math, physics, 

 Wisconsin, 00-03; prof, 03-06; physics, Prince- 

 ton, 06- Chairman, div. physical sciences, Nat. 

 Research Council, 20. Nat. Acad; A.A; Phys- 

 ical Soc; Philos. Soc; Wash. Acad. Infra-red 

 radiation; explosive mixtures; internal combus- 

 tion engine. 



Trowbridge, Prof. D(ic) Hector, Lewis Institute, 

 Chicago, 111. Chemistry. Ccnterville, Mich, 

 Nov. 19, 73. B.S, Michigan, 98. Instr. physics 

 and chem, high sch, Adrian, Mich, 98-99 ; Lewis 

 Inst, 99-07, asst. prof, chem, 07-13, prof. anal, 

 chem, IS- Asst. chem, Michigan, summers, 99, 

 00. Chem. Soc. Influence of moisture on di- 

 electric strength of oils; influence of tempera- 

 ture and pressure on gases used for heating and 

 lighting; sanitary inspection of water, milk and 

 cream; gases and fuels; deposition of silver on 

 glass and china. 



Trowbridge, Prof. E(dwiu) A, Agricultural Ex- 

 periment Station, Columbia, Mo. Animal hus- 

 bandry. Mondovi, Wis, April 27, 85. B.S. A, 

 Wisconsin, 06. Asst. animal husbandry, Mis- 

 souri, 06-07, instr, 07-10, asst. prof, 10-, chair- 

 man, dept. animal husbandry, Exp. Sta, 09- 

 A.A; Soc. Animal Production. Horse feeding; 

 live stock breeding. 



Trowbridge, Prof. John, Cambridge, Mass. 

 ^Physics. Boston, Mass, Aug. 5, 43. B.S, Har- 

 vard, 66, Sc.D, 73. Instr. physics, Lawrence 

 Sci. Sch, Harvard, 67-69; Mass. Inst. Tech, 69- 

 71; asst. prof, Harvard, 71-81, prof, 81-13, 

 emer. prof, 13- Mem. Int. Commission on Elec- 

 trical Units; assoc. ed, 'Am, Jour. Science.' 

 Nat. Acad; Philos. Soc; Am. Acad, (jires, 08). 

 Electricity; light; spectra of gases at high tem- 

 peratures. 



Trowbridge, Prof. P(erry) F(ox), Agricultural 

 College, N. Dak. Chemistry. Three Rivers, 

 Mich, April 25, 66. B.Pd, Mich. Nor. Col, 

 92, M.Pd, 08; Ph.B, Michigan, 92, A.M, 05; 

 Ph.D, Illinois, 06. Instr. pedag, Mich. Nor. 

 Col, 92-93; asst. chem, Michigan, 93-95, instr, 

 95-02; asst. nutrition and instr. chem, Illinois, 

 05-07, asst. prof, chem, 07; agr. chem. and 

 assoc. chemist, Exp. Sta, Missouri, 07-08. prof, 

 and chemist, 08-18; director, N. Dale. Exp. Sta, 

 18- Prof, math, Kalamazoo, 94. A.A; Chem. 

 Soc; Agr. Chem. (prcs, 18); Soc. Agron; Soc. 

 Animal Production. Chemistry of nutrition. 



Troxell Dr. Edward L(eflingwell), Yale Univer- 

 sity, ^.ow H.-.ven, {\nuu Vcrtrhratc paleontoh 

 ogy. Deshler, Nebr, April 15, 84. A.B, North- 

 western 08, A.M, 11; PLD, Yale. 14; Sorbonne, 

 Pans, 19. Asst. geol. Amherst, 13-14; as-^t 

 curator, museum, iMichigan, 14-17; assoc. pa- 

 leont, lale, 10-, asst. prof, geol, Trinity (Conn), 

 -.0- 1 mate collecting expeditions. Paleont 

 Soo. Paleontology; museum methods. 



Troy, Prof. Hugh C(harles), Ck)rnell Universitv, 

 Jthaca, N. ^. Dairy husbandry. Spencer N Y 

 B.S.A, Cornell, 96, Chemist, Cavudutta 'chem! 

 Co, 96-97; asst. dairying. Corned, 97-12; prof. 

 IS- Chemist, N. Y. State Dept. Agr, 97-12, con- 

 sulting chemi.st, 12- Chem. Soc; A.ss. Dairj- In- 

 structors; N. Y. Dairymen's Ass. Testing of 

 dairy products; analysis of food products. 



True, Dr. A(lfred) C(harles), U. S. Department 

 of Agriculture, Washington, D. C. Agriculture. 

 Middletown, Conn, June 5, 53. A.B, Vesleyan| 

 73, A.M, 76, hon. Sc.D, 06; Harvard, 82-84; 

 hon. Ph.D, Erskine, 86. Principal, high sch, 

 Essex, N. Y, 73-75; instr. State Nor. Sch, West- 

 field, Mass, 75-82; Wcsleyan, 84-88; ed. office 

 of cxp. stations. U. S. Dept. Agr, SS-91. asst. 

 director, 91-93, director, 93-15, states relations 

 service, 15- Dean, Grad. Sch. Agr, 02-16; ed, 

 'Exp. Sta. Record.' A.A; Soc. Prom. Agr. Sci; 

 Ass. Agr. Col. (pres, 14) ; Wa.sh. Philos. Soc. 

 Agricultural education and the organization and 

 management of institutions for agricultural re- 

 search. 



True, Prof. Gordon H(atnes), T'niversitv Farm, 

 Davis. Calif. Agriculture. Baraboo. Wis. 68. 

 B.S, Wisconsin. Instr. dairy husbandrv. Mich. 

 Agr. Col, 94-99; prof, animal husbandry. Ari- 

 zona, 99-03; agr. and animal husbandry. Nevada. 

 03-13, director. Exp. Sta, 12-13; prof, animal 

 husbandry, California, 13- Agent and expert, 

 irrig, U. S. Dept. Agr; mem. state board of agr, 

 Nev, 00-13; state quarantine officer, Nev. 12-13. 

 A.A; Ass. Prof. Animal husliandri-; arid farm- 

 ing in Nevada ; relation of irrigation to chem- 

 ical composition of grain. 



True, Dr. Rodney H(oward), T'niversity of Penn- 

 .sylvania, Philadelphia, Pa. 'Plant physiolopy. 

 Baraboo, Wis, Oct. 14, 66. B.S, Wisconsin, 90. 

 M.S, 92; Ph.D, Leipzig, 95. Instr. pharniacog, 

 Wisconsin, 96-97, asst. prof. 97-00; lecturer bot. 

 Harvard, 01-02; physiologi.st in charge physio- 

 logical investigations, bur. plant indust, U. S. 

 Dept. Agr, 02-20; prof. hot. and director, bot. 

 garden, Pennsylvania, SO- Mem. revision eom- 

 mittee, ninth edition. 'U. S. Pharmacopooin. ' 

 A.A. (v. prej?. G, 20); Bot. Soc; Agr. Hist. Soc. 

 (pres, 19) ; D. C. Fed. Fmployoi>s I'liion Number 

 Two (pres, .scientific-tech, se^t, 19). Electrolytic 

 dissociation and physiological action in solutions; 

 growth rate; turgor and temperature change; 

 tea and tobacco fermentations; toxic action of 

 solutions, simple and mixed; physiological find- 

 ings of mineral plant nutrients; utilization of 

 marls. 



Tnieblood, Dr. H(oward) M(offltt), American 

 Tfleiiliorie :inil Trlegrapli Co, 1115 Broadway, 

 New York. N. Y. Thermodt/wnnics. Richmond, 

 Tnd. April 16, S4. B.S. Earlham, 02; Haver- 

 ford, 03; Mass. In.-^t. Tech, 0.1-09; fellow. Har- 

 vard, 12-13, Ph.D, 13. Aid and asst, U. S. Coast 



