92 



AMERICAN MEN OF SCIENCE 



of alfalfa, cotton and apples; diseases caused 

 by the sterile fungus Rhizoctonia. 

 Dugmore, Arthur (Venner Vaux) Radclyffe, New- 

 foundland, N. J. Ornithology. England, Dec. 

 25, 70. Elizabeth Col, Guernsey and Turrell'a 

 Sch, Smyrna, 79-81. Assoc. Ornith. Union. 

 Breeding habits of eastern North American 

 birds; habits of the beaver. Bird life; condi- 

 tions affecting plant life. 



Duke, Prof. Frank W(illiamson), Hollins, Va. 

 Mathematics. Richmond, Va, 71. A.B, Rich- 

 mond, 92; Chicago, 97-99. Prof, math, Rich- 

 mond, 99-00; Hollins Inst, 00- M.A.A; Math. 

 Soc. 



Dumble, E(dwin) T(heodore), 1306 Main St, 

 Houston, Tex. Geology. Madison, Ind, March 

 28, 52. Washington and Lee, G6-68, 72-74. 

 State geologist, Tex, 88-96; consulting geolo- 

 gist, Southern Pacific R. R. Co, 91- F.A.A; 

 Geol. Soc; Min. Eng; Tex. Acad, (pres, 93); 

 Stockholm Geol. Soc. Stratigraphic and eco- 

 nomic geology. Coal deposits of Pacific slope; 

 Stockwerke ore deposits; oil deposits of Texas 

 and Louisiana. 



Duncan, Prof. G(eorge) M(artin), 299 Edwards 

 St, New Haven, Conn. Philosophy. Haledon, 

 N. J, Nov. 26, 57. A.B, N. Y. Univ, 81, A.M, 

 82; B.D, Yale, 84, fellow, 84-85; Leipzig, Hei- 

 delberg and Berlin, 85-S7; Paris, 87-88. Instr. 

 philos, Yale, 88-91, asst. prof, 91-94, prof, 9^- 

 LL.D, N. Y. Univ, 01. F.A.A; Philos. Ass; 

 Psychol. Ass. Epistemology ; history of philos- 

 ophy. Critical history of epistemological spec- 

 ulations from Descartes to Kant. 



Duncan, Dr. J(ohn) T(homas), 165 Bloor St, E, 

 Toronto, Can. Medicine. Northumberland, Eng- 

 land, March 30, 43. Cornell, 69-70; V.S, Ont. 

 Vet. Col, 72; M.B, Toronto, 82. Prof, anat, 

 Ont. Med. Col. for Women, 83-, diseases of eye 

 and ear, OJf-; anat, Ont. Vet. Col, 92- Hon. 

 M.D, CM, Trinity (Can.). Ass. Anat; Ont. 

 Med. Ass; hon. assoc. Royal Col. Vet. Surg; 

 British Med. Ass. Anatomy; ophthalmology. 



Duncan, Dr. Louis, 56 Pine St, New York, N. Y. 

 *Electrical engineering. Washington, D. C, 

 March 25, 62. Grad, U. S. Naval Acad, 80; 

 Ph.D, Hopkins, 85. Assoc, prof, applied elec, 

 Hopkins, 87-99; head, Dept. Elec. Eng, Mass. 

 Inst. Tech, 02- Elec. Eng. (pres, 95-96) ; 

 Philos. Soc; hon. mem. Franklin Inst; Soc. 

 math, de France; Soc. de Physique de France. 

 Applied electricity. 



Duncanson, Prof. H(enry) B(ruce), Peru, Nebr. 

 Biology. Memphis, Mo, Feb. 4, 60. B.S, Ne- 

 braska, 90, A.M, 94. First asst, Exp. Sta, 

 Nebraska, 90-92; prof, biol, Nebr. State Nor. 

 Sch, 92- M.A.A; Micros. Soc; Nebr. Acad. (v. 

 pres, 02, pres, 04). Ants; parasites in frogs; 

 Nebraska soils. 



Dunham, Dr. Edward K(ellogg), 35 E. 68th St, 

 New York, N. Y. "Pathology. Newburgh, N. 

 Y, Sept. 1, 60. Ph.B, Columbia, 81; M.D, Har- 

 vard, 86. Bacteriologist, Mass. State Board of 

 Health, 87-88; instr. histol, Univ. and Bellevue 



Eosp. Med. Col, 88-91, prof, path, bacter. and 

 hygiene, 91-99, path, 99- Pathologist, Carney 

 Hosp, Boston, 87-88; J. Hood-Wright, Trinity 

 and Gen. Mem. Hospitals, New York. F.A.A; 

 Ass. Path, and Bact; Am. Physicians; Soc. 

 Bact; Soc. Exp. Biol, and Med; Chem. Soc; 

 N. Y. Path. Soc; N. Y. Acad; N. Y. Acad. Med. 

 Spirillum of cholera; bacillus aerogenes capsu- 

 latus; theories of immunity; normal and mor- 

 bid histology; etc. Relations of physical prop- 

 erties of nutrient gelatin and its uses for plate 

 cultures; osmotic pressures of morbid fluids. 



Dunkel, Dr. Otto, 509 E. Clay St, Richmond, Va. 

 Mathematics. Richmond, May 25, 69. M.E, 

 Virginia, 96, A.B, A.M, 98; A.M, Harvard, 99, 

 Shattuck scholar, 00-02, Ph.D, 02; Gottingen, 

 04- Asst. astron, Virginia, 96-97; instr. math, 

 Wesleyan, 02-04. Math. Soc. Applications 

 of Green's theorem in one dimension; regular 

 singular points of a system of homogeneous 

 linear differential equations of the first order. 



Dunlap, Dr. Frederick L(evy), 715 Monroe St, Ann 

 Arbor, Mich. Chemistry. Chillicothe, O, May 

 16, 70. Ohio State, 88-89; B.S, Michigan, 92; 

 Sc.D, Harvard, 95; Yale, 96. Instr. indust. 

 chem, Worcester, 96-00; inorg. chem, Michigan, 

 00-01, anal, chem, 01- Instr, Summer Sch, 

 Harvard, 93-95. Chem. Soc; Chem. Gesell. 

 Oils, fats and waxes; organic chemistry. Prod- 

 ucts formed during the boiling or oxidation of 

 linseed oil. 



Dunlap, Dr. Knight, 2727 Bancroft Way, Berkeley, 

 Cal. Psychology. Diamond Spring, Cal, Nov. 

 21, 75. Ph.B, California, 99, M.L, 00, Le Conte 

 fellow, 00-01; A.M, Harvard, 01, James Walker 

 fellow, 01-02, Ph.D, 03. Asst. psychol, Cali- 

 fornia, 02-04, instr, 04- Effects of subliminal 

 stimulations ; time-perception. Experimental 

 analysis of geometrical illusions; determining 

 conditions of reading-time. 



Dunn, Gano S(illick), Ampere, N. J. "Electrical 

 engineering. New York, N. Y, Oct. 18, 70. 

 B.S, Col. City of N. Y, 89; E.E, Columbia, 91; 

 M.S, Col. City of N. Y, 97. Operator. West. 

 Union Tel. Co, 86-91; engineer, Crocker-Wheeler 

 Co, 91-95, v. pres. and chief engineer, 95- 

 M.A.A; Elec. Eng. (v. pres, 01-03, 05-); 

 Franklin Inst; N. Y. Elec. Soc. (pres, 98-00) ; 

 N. Y. Zool. Soc. Dynamo and motor design; 

 commutation of direct current machines. 



Dunne, J(ohn) A(ugustine),440 Massachusetts Ave, 

 Cambridge, Mass. Astronomy. Brighton, Mass, 

 July 21, 71. High Sch. and private instruction. 

 Asst, Harvard Col. Observatory, 88- Astron. 

 and Astrophys. Soc. Meridian circle observa- 

 tions and reduction of stars in zone 10 to 

 14. Meridian circle observations of Nova 

 Persei No. 2 and of the planet Eros. 



Dunnington, Prof. F(rancis) P(erry), LTniversity 

 of Virginia, Charlottesville, Va. "Chemistry. 

 Baltimore, Md, March 3, 51. B.S, Virginia, 

 71, C.E, M.E, 72. Adj. prof. anal, chem, Vir- 

 ginia, 73-84, prof, 8J t - F.A.A. (sec'y, C, 85); 

 Chem. Soc; British Ass; London Chem. Soc. 



