AMERICAN MEN OF SCIENCE 



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Class, Jaffrcy, N. H, 14-17; instr. zool, Rutgers, 

 17-19, asst. prof, 19- Human and animal ecol- 

 ogy; racial progress. 



Danforth, Prof. R(ayinond) H(ewes), Case 

 School of Applied Science, Cleveland, Ohio. 

 Mechanical engineering. Salem, Mass, Nov. 8, 

 77. B.S, Mass. Inst. Tech, 98, Mem. staff, 

 U. S. Naval Eng. Exp. Sta, Annapolis, 08-11; 

 asst. to head of post-grad, dept, U. S. Naval Acad, 

 11-14; prof, and, head, dept. mech. and hydraul, 

 Case, 14- Mech. Eng. (chairman, fuel oil re- 

 search committee); Eng. Educ; West. Pa. Eng. 

 Soc; Cleveland Eng. Soc. Heat transmission in 

 boilers; economizers and condensers; utilization 

 of fuels ; flow of fluids. 



Daniel, Prof. John, Vanderbilt University, Nash- 

 ville, Tenn. Physics. Perry Co, Ala, July 6, 

 63. A.B, Alabama, 84, A.M, 86; Hopkins, 86- 

 88 ; Berlin, 92. Asst. prof, physics, Alabama, 

 84-86; asst, Vanderlilt, 88-89, instr, 89-90, 

 adj. prof, 90-94, prof, 94- Mem. jury awards, 

 Tenn. Centennial Expos, 97. A. A. Voltameter 

 polarization; X-rays, including the depilatory 

 and burning effect; photometry. 



Daniel, Prof. J(olm) Frank (lin). University of 

 California, Berkeley, Calif. Zoology. O 'Fal- 

 lon, Mo, July 31, 73. B.S, Chicago, 06; fellow, 

 Hopkins, 07-08, Adam T. Bruce fellow at Pas- 

 teur Inst, Lille, France, 08-09, Ph.D, 09. With 

 Educ. Dept, P. I, 01-05; instr. zool, Michigan, 

 09-10; comp. anat, California, 10-11, asst. prof. 

 zool, 11-17, assoc. prof, 17-19, prof, 19- A.A; 

 Soc. Zool; West. Soc. Nat. Adaptation and im- 

 munity ; tolerance produced by alcohol ; anatomy 

 of elasmobraneh fishes. 



Daniel, Zaccheus, Allegheny Observatory, Pitts- 

 burgh, Pa. Astronomy. ^ Hawthorn, Pa, Nov, 

 14, 74. B.S, Princeton, 08, Thaw fellow, 08-10, 

 A.M, 09. Asst, Princeton Observatory, 03-08; 

 Allegheny Observatory, 10- Three Donohoe 

 comet medals, Pacific Astron. Soc. Astron. Soc ; 

 hon. mem. Soc. Astron. de Mex; Soc. astron. de 

 France. Variable stars; orbits of spectroscopic 

 binaries; stellar parallax. 



Daniel!, Prof. P(ercy) J(ohn), 5108 LaBranch 

 St, Houston, Tex. Mathematics. Valparaiso, 

 Chile, Jan. 9, 89. B.A, Cambridge, 10, M.A, 14; 

 traveling fellow, Eice Inst, 12-13. Asst. lec- 

 turer math, Liverpool, 11-12; asst. prof, applied 

 math, Eice Inst, 13-20, prof, 20- Senior wran- 

 gler math, Cambridge, 09, first class phvsies 

 tripos, 10, Rayleigh prize, 12. Math. Soc; Math. 

 Ass. End correction for resistance columns; 

 general integrals. 



Daniels, Prof. Amy L(ouise), University of Iowa, 

 Iowa City, Iowa. Biochemistry. Boston, Mass. 

 B.S, Columbia, 06; Ph.D, Yale, 12. Asst. prof, 

 home econ, Missouri, 11-14; assoc. prof, Wis- 

 consin, 14-17, prof, nutrition, 17-18; cMld 

 welfare research sta, Iowa, IS- Biochem. Soe. 

 Nutrition. 



Daniels, Dr. Farrington, 1162 Emeral St, Madison, 

 Wis. Physical chemistry, Minneapolis, Minn] 

 March 8, 89. B.S, Minnesota, 10, M.S, 11; 

 Ph.D, Harvard, 14. Instr. and asst. prof, chem, 

 Worcester, 14-18; electroehemist, U. S. Fixed 

 Nitrogen Lab, 19-20; asst. prof, Witconsin, 20- 

 Lieut, C. W. S, 18- A.A ; Chem. Soc. Thermo- 



chemistry; exact calorimctry; nitrogen fixation; 

 reaction velocity. 



Daniels, Prof. Francis (Potter), Tucson. Ariz. 

 Botany. Ionia, Mich, Aug. 1, 69. A.B, Michi- 

 gan, 95; A.M, Missouri, 97, Ph.D, 05; Hopkins 

 scholar. Harvard, 97-98, Acting director for. 

 lang. Manual Training High Sch, Kansas City, 

 Mo, 06; prof, romance lang, Cornell (Iowa), 

 06-09; Wabash, 09-16; asst. prof, modern lang, 

 Mo. Sch. of Mines, 16-20; romance lang, Ari- 

 zona, 20- Fellow, Kahn Foundation Foreign 

 Travel for Am. Teachers, 11-12; prof, romance 

 lang, Columbia, summer, 16. A.A; Modern 

 Lang. Ass; Ass. Phonetique Int. Ecology of the 

 flora of Sturgis and Manistee, Mich, and of 

 Columbia, Mo; flora of Missouri and of Boulder, 

 Colo. 



Daniels, Fred C(linton) T(ilton), Wheeling Mold 

 and Foundry Co, Wheeling, W. Va. Metallurgy. 

 Starkesboro, Vt, Jan. 22, 82. A.B, Worcester, 

 04. Chemist, Mackintosh, Hemphill and Co, 

 04-12; asst. supt. and metallurgist, Pittsburgh 

 Iron and Steel Foundries, 12-14; metallurgist. 

 Wheeling Mold and Foundry Co, 14- Sand ro- 

 search. Am, Foundrymen's Ass, A,A; Chem. 

 Soe. Lead, antimony, nickel and tin alloys; 

 sand; iron and steel metallurgy. 



Daniels, Prof. Joseph, University of Washington. 

 Seattle, Wash. Mining engineering. New York, 

 N. Y. Aug. 8. 84. B.S, Mass. Inst. Tech. 05; 

 M.S, Lehigh, 08. Engineer, Dominion Coal Co, 

 05-06, geologist, summer, 07; instr. mining eng, 

 .Lelngh, 07-08, asst. prof, 08-10, assoc. prof, 

 and acting head of dept, 10-11; assoc. prof, 

 mining eng. and metal, Washington (Seattle), 



11- Geologist, Wash. Geol. Surv, 11-17. A.A; 

 Min. Eng; Eng. Educ. Metallurgy; coal min- 

 ing; fuels; mineral resources. 



Dannerth, Dr. Frederic, 539 76th St, Brooklyn, 

 N. Y. Chemistry. Philadelphia, Pa, June 18, 

 81. Eoyal Tech. Col, Berlin; Wvirzburg; Ph.D, 

 Freiburg, 06. Prof, indust. chem, Phila. Tex- 

 tile Sch, 06-07; consulting indust. chem. 06-20; 

 gen. manager, Rubier Trade Lab, Newa'rTc, N. J, 



12- Lecturer textiles, Univ. Extension, N. Y. 

 City, 08-09 ; exec, sec 'y, Int. Rubber Cong, N. Y. 

 City, 12. Chem. Soc; Chem. Eng; German Tech. 

 Soc. Phila. Chemistry, of rubber and related 

 gums, textile fibers and dyes. 



Dantzig, Dr, Tobias, 4331 Katonah Ave, New 

 York, N. Y. Geometry. Shavli, Russia. Feb. 

 19, 84. Paris, 09; Ph.D, Indiana, 17. Instr. 

 math, Indiana, 15-18; Columbia, 19- Mathe- 

 matician, ordnance dept, U. S, A, 19, Math. 

 Soc, Geometry of plane transformations; Mor- 

 ley's theorem; the last theorem of Poincar^; 

 the Poincare transformation, 



Darbaker, Prof. Leasure Kline, 7025 Hamilton 

 Ave, Pittsburgh, Pa. Bacteriology. Pittsburgh, 

 Jan, 13, 79, Ph.G, Ohio Northern, 00; Pitts- 

 burgh, 06, Phar.D, 09; Berlin, 08. Assoc, 

 bacter, and pharmacog, col. pharmacy, Pitts- 

 burgh, 07-09, asst, bot, and mat. med, 07-14, 

 prof, bacter. and pharmacog, 09- A,A; Phar- 

 maceut. Ass; Micros, Soc; Am, Med, Ass; 

 Pittsburgh Bot, Soc, Pharmacognosy; plant 

 pathology. 



Darling, Prof, C(hester) A(rthur), Allegheny 

 College, Meadville, Pa, Botany. Leon, N. Y, 



