AMERICAN MEN OF SCIENCE 



683 



87-95; Presb. Hosp, 87-12; Bellevue Hosp, 95- 

 16, consulting physician, 16-; prof, phvsiol. and 

 mat. med, N. Y. Univ, 87-98; pres', Indust. 

 Clinic. Am. Physicians; Am. Med. Ass; N. Y. 

 Acad. Med; fel. N. Y. Acad. 

 Thomsen, Dr. Herman Ivah, 1928 Mt. Royal Ter- 

 race, Baltimore, Md. Mathematics. Baltimore, 

 Nov. 23, 60. A.B, Harvard, 81; Ph.D, Hopkins, 

 09. Math. Ass. Invariants of the ternary 

 quartic. 



Thomsen, J(6rgen) E(mst), 51 Summit Ave, Jer- 

 sey City, N. J. Chemistry. Denmark, March 

 26, 75. Copenhagen, 92; Copenhagen Polvtech, 

 96-97, 98-02; openhagen Pharmaceut. Col, 97- 

 98. Chemist, Smith and Klein, Phila, 03-04; 

 Dixon's Ci-vcible Co, 04- Chem. Soc; Danish 

 Civil Eng. Analysis of dried paint; separation 

 of graphitic carbon from amorplious carbon by 

 ethylene bromid ; cements ; electric furnace ; high 

 temperature resistance material; graphite. 



Thomson, Dr. Elihu, General Electric Co, Lynn, 

 Mass. *Electrica! engineering. Manchester, 

 England, March 29, 53. A.B, A.M. Cent. High 

 Sch, Phila, 70; hon. A.M; Yale, 90; hon. Ph.D, 

 Tufts, 96 ; hon. Sc.D, Harvard, 09. Asst. prof, 

 chem. Cent. High. Sch, Phila, 70-75, prof, 75- 

 80; electrician, Thomson-Honston and Gen. EJec. 

 Comiyanies, 80-; engineer, Thomson Elec. Welding 

 Co. Mem. corporation, Mass. Inst. Tech, acting 

 pres, 20; pres, Int. Electrochem. Commission. John 

 Scott medals, 88, 00 ; Grand Prix (elec. inven- 

 tion), Paris, 89, 00; La. Purchase Expos, 04; 

 Rumford medal, 01 ; Chevalier and Officer Legion 

 d'honneur, 89; Edison medal, Elec. Eng, 10; 

 Elliott Cresson medal, Franklin Inst, 12; John 

 Fritz medal, 16; Hughes medal. Royal Soc, 

 London, 16. U. S. delegate. Int. Elec. Cong, 

 93; St. Louis, 04 (pres, chamber of delegates, 

 pres. of cong). Nat. Acad; A. A. (v. pres, 99) j 

 Physical Soc. (v. pres, 03, 04) ; Elec, Eng. (past 

 pres); Chem. Soc; Philos. Soc; fel. Am. Acad, 

 (v. pres); hon. mem. British Inst. Elec. Eng; 

 British Inst. Civil Eng. Phenomena of alternat- 

 ing current induction; high potentials and high 

 frequency apparatus ; electric welding ; general 

 development in electricity and allied fields. 



Thomson, Dean Francis A(ndrew), Moscow, 

 Idaho. Mining, Metallurgy. London, England, 

 Dec. 21, 79. E.M, Colo. Sch. Mines, 04, M.S, 14. 

 Professional practise, B.C, Colo. Nev, Idaho and 

 Calif, 96-06; prof, mining and metal. Wash. 

 State, 07-11, acting dean of faculty, 14-16; 

 dean, sch. mines, Idaho, 17- Director, Idaho 

 Bur. Mines and Geol, 19-; consulting metallur- 

 gist, U. S. Bur. Mines. Min. and Metal. Eng. 

 (chairman, Columbia sect, 14) ; Eng. Educ; Ass. 

 Prof. Fire assaying; cyanidation of gold and 

 silver ores; flotation; concentration. 



Thomson, E(obert) B(oyd), Toronto University, 

 Toronto, Can. Botany. Prescott, Ont, Sept. 16, 

 70. B.A, Toronto, 99. Lecturer and later assoc. 

 prof, hot, Toronto. 06- A.A; Bot. Soc; fel. 

 Royal Soc. Can. Phanerogamic botany; anat- 

 omy and reproduction of gymnosperms; anatomy 

 and reproduction of the Araucariau conifers; 

 teratologieal features of certain conifers. 



Thomssen, Dr. ECdgar) a(eorge), 1412 Park 

 Ave, Hoboken, N. J. Chemistry. Masuiipatam, 

 India, 86. B.S, Columbia, 07, A.M, 08. Ph.D, 



10. Chemist, Bayer and Co, 08-09; asst. chem, 

 Columbia, 09-10; chemist, Lightfoot Schultz Co, 

 11-13; research chemist, dairj- div, U. S. Dept. 

 Agr, 13-14; V. pres. and sec'y, Lightfoot Schults 

 Co, 14- A.A; Chem. Soc. 



Thorbum, A(lbert) D(avid), 3007 Delaware St, 

 Indianapolis, Ind. Pharmacy. Near St. Cath- 

 erina, Ont, Nov. 11, 72. Grad, Chicago Col. 

 Pharmacy, 94. Asst. prof, chem, Chicago Col. 

 Pharmacy, 94-97; chemist, Searle and Hereth 

 Co, 01-06; in charge of production of med. 

 preparations, Pitman-Moore Co, 06-19; Swan- 

 Myers Co, 19- t>rof. mat. med, III. Med. Col, 

 01-04; assoc. prof, pharmacol, Indiana, 13-17. 

 CTiem. Soc. (pres, Ind. sect. \?, 15, councilor, 16- 

 18); Pharmaceut. Ass. Drugs; medicinal 

 products. 



Thomber, Prof. J(ohn) J(ames), University of 

 Arizomi, Tucson, Ariz. Bioloqy. Rantoul, III, 

 Feb. 8, 72. B.S, S. Dak. Col, 95 ; Nebraska, 97, 

 A.M, 01. Instr. sciences, high sch, Nebr. City, 

 97-01 ; biologist, Arizona, and botanist, Exp. 

 Sta, 01- Asst. Nebr. Bot. Surv, 97-01. A.A; 

 Bot. Soc; Bot. Cent. States; Int. Ass. Bot. Eco- 

 logical aspects of the flora of eastern Nebraska; 

 ta.xononiy and ecology of tliu flora of Arizona; 

 range conditions in Arizona. 



Thoniberry, Martin H(annon), RoUa, Mo. Metal- 

 lurgy. Newtonia, Mo, July 13, 82. B.S, Mo. 

 Sch. Mines, 12, B.S. (Metal), 17, Metal. Eng. 20. 

 Research metallurgist, Mo. Sch. Mines, 15- Min. 

 and Metal. Eng. Chemistry; flotation; le-^ching. 



Thomburg, Prof. C(harles) L(ewi3), Lehigh Uni- 

 versity, South Bethlehem, Pa. Mathematics, As- 

 tronomy. Barboursville, W. Va, April 17, 59. 

 Fellow, Vanderbilt, 80-83, B.S, 82, C.E. 83, 

 Ph.D, 84. Teacher, pub. schools,' W. Va, 77-79 ; 

 asst. eng, Winderbilt, 84, instr, 85-87. adj. prof, 

 87-95; prof. math, and astron, Lehigh. 96- 

 A.A; Math. Soc; Eng. Educ. 



Thomdike, Prof. Edward L(ee), Teachers Col- 

 lege, New York, N. Y. 'Psychology. Williams- 

 burg, Mass, Aug. 31, 74. A.B, Weslevan, 95, 

 Sc.D, 19; A.B, Harvard, 96. A.M, 97*; Ph.D, 

 Columbia, 98. Instr. educ. and teaching. Col. 

 for Womon, Western Reserve, 98-99; psychol. 

 Teachers Col, Columbia, 99-01, adj. prof, 01-03, 

 prof. educ. psychol, 04- Head, dept. comp. psy- 

 chol, Woods Hole, 00-02; chairman, committee 

 on classification of personnel, U.S.A. 17-18. 

 Nat. Acad; A..\. (chairiii;ni. sections 11 and 

 L) ; Soc. Nat; Psychol. Ass. (pres, 12); Econ. 

 Ass; Sociol. Soc; Galton Soc; Philos. Aivs ; ft-l. 

 N. Y. Acad. (pros). Animal psychology; edu- 

 cational psychology; educational statistics. 



Thomdike, Sturgis H(ooper), 15 Bracon St. Bos- 

 ton, Mass. CivV engineering. Beverly, Mass, 

 June 11, 68. A.B, Harvard, 90; B.S, Mass. 

 Inst. Tecli, 9"). Kngini't-r. City of Boston, 95- 

 13; partner, Fay, Spofford and Thomdike, 14- 

 Instr. Mass. Inst. Tech, 04-06. Civil Eng; New 

 Eng. Water Works Ass; Boston Soc. Civil Eng. 

 (director, 19-). Engineering economics. 



Thomdike, Dr. T(ownsend) W(llliam), 20 New- 

 burv St. Boston, Mass. Dermatology. Boston, 

 72." Harvard. 94-95, M.D. 02. Dermatologist, 

 Carney Hosp, 07-14; Boston City Hasp, 07-; 

 prof, dermat, med. .tch. Tufts; Harxard Med. 

 Sch. A.A; Am. Med. Ass; Anthrop. Ass; New 



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