AMERICAN MEN OF SCIENCE 



89 



Dorsey, H(erbert) G(rove), 129 Dryden Road, 

 Ithaca, N. Y. Physics. Kirkersville, O, April 

 24, 76. B.S, Denison, 97; Hopkins, 97; M.S, 

 Denison, 98; Harvard, 00-01. Instr. physics, 

 Maine, 98-00; asst. prof, Florida, 01-03; instr, 

 Mechanics Inst, Rochester, 03-04; asst, Cornell, 

 04-05, instr, 05- M.A.A; assoc. mem. Physical 

 Soc. Effects of magnetism on the elasticity of 

 rods. Coefficient of expansion at low tempera- 

 tures. 



Dorsey, Dr. N(oah) Ernest, Annapolis Junction, 

 Md. *Physics. Annapolis Junction, March 15, 

 73. A.B, Hopkins, 93, fellow, 96-97, Ph.D, 97 ; 

 research fellow, Yerkes Observatory, summer, 

 99. Student asst. physics, Hopkins, 93-96, asst, 

 97-99, assoc, 99-01; asst. physicist, Bur. of 

 Soils, U. S. Dept. Agr, 01, scientist, 02-03; 

 asst. physicist, Bur. Standards, 03- F.A.A; 

 Physical Soc. Capillarity; light; physics of 

 soils. Alternating current measurements. 



Doubleday, Mrs. F. N. (Neltje DeGraff) (' Neltje 

 Blanchan'), HI E. 16th St, New York, N. Y. 

 Ethnology, Botany, Ornithology. Chicago, Ills, 

 Oct. 23, 65. Private schools. Assoc. Ornith. 

 Union. Birds; wild flowers and their relation 

 to insects; North American Indians. Bird life; 

 fertilization of flowers by wind, insects and 

 humming-birds; handicrafts of our aborigines. 



Doubt, Prof. Thomas E(aton), 651 E. 57th St, 

 Chicago, Ills. Physics. Louisville, Ky, Feb. 

 15, 70. B.S, Nebr. Wesleyan, 92; "fellow, Ne- 

 braska, 94-97, A.M, 96; fellow, Chicago, 03-04, 

 Ph.D, 04. Instr. physics, Nebr. Wesleyan, 92- 

 94; prof, Washington (Seattle), 97-02; assoc. 

 prof, Armour Inst, 0^- M.A.A; assoc. Elec. 

 Eng. Absolute color equation; effect of the 

 intensity upon the velocity of light. Effect of 

 the motion of the medium upon the velocity of 

 light. 



Douglas, Dr. James, Spuyten Duyvil, New York, 

 N. Y. Mining, Metallurgy. Quebec, Can, Nov. 

 4, 37. Edinburgh; A.B, Queen's (Can.), 

 58. Prof, chem, Morrin Col, Que, 70-74; 

 supt, Chem. Copper Co, Phoenixville, Pa, 74- 

 80; pres, Copper Queen Consolidated Mining 

 Co. and other mining and railroad companies. 

 LL.D, McGill, 99. F.A.A; Min. Eng. (pres, 

 99-00) ; Am. Geog. Soc; Philos. Soc; Gt. Brit- 

 ain Iron and Steel Inst; British Inst. Min. 

 and Metal; London Soc. Arts. 



Douglass, A(ndrew) E(llicott), Flagstaff, Ariz. 

 Astronomy. Windsor, Vt, July 5, 67. A.B, 

 Trinity (Conn.), 89. Connected with Harvard 

 Col. Observatory, 89-94; first asst, Lowell Ob- 

 servatory, 94-01, astronomer, 01- Probate 

 Judge, Coconino Co, Ariz, 01-; instr, Northern 

 Ariz. Nor. Sch. Am. Alpine Club; fel. Royal 

 Astron. Soc. Planet Mars ; ' Gegenschein ' and 

 zodiacal light; observatory sites and atmos- 

 pheric currents; planetophysics. Id; photog- 

 raphy of heat currents. 



Dowling, Prof. L(innaeus) W(ayland), University 

 Heights, Madison, Wis. Mathematics. Medina, 

 Mich, Dec. 7, 67. Adrian, 89-90; Ph.D, Clark, 

 95. Instr. math, Wisconsin, 95-97, asst. prof, 



98- Math. Soc. Geometry; forms of plane 

 quintic curves; higher plane curves; conformal 

 representation of plane triangles upon the 

 upper half-plane. Involutions in the plane. 

 Downey, Prof. John F(lorin), 825 Fifth St, S. E, 

 Minneapolis, Minn. Mathematics. Hirams- 

 burg, O, Jan. 10, 46. B.S, Hillsdale, 70; Michi- 

 gan, 72-73; C.E, Pa. State, 77; A.M, Hillsdale, 

 78; Edinburgh and Gottingen, 01-02. Instr. 

 math, Hillsdale, 70-71; principal, High Sch, 

 Cassopolis, Mich, 71-72; prof, math, Pa. State, 

 73-80; Minnesota, 80-, dean, Col. Sci, Lit. and 

 Arts, 98- Lecturer, State Teachers' Institute, 

 and teacher, State Summer Schools, Minn. 

 Math. Soc. Mathematics. The shortening of 

 various algebraic operations. 



Downing,Dr.E(lliott) R(owland), 1216 Presque Isle 

 Ave, Marquette, Mich. Zoology. Boston, Mass, 

 Nov. 21, 68. B.S, Albion, 89, M.S, 94; Ph.D, 

 Chicago, 01. Instr. science, Beloit, 91-96; asst. 

 zool, Chicago, 00-01; prof, biol, Northern State 

 Nor. Sch, Mich, 01- M.A.A. Spermatogenesis 

 of Hydra and Arenicola. Spermatogenesis of 

 Arenicola; muscle movement in Pelecypoda. 



Downs, Dr. Edgar S(elah), 814 Franklin Ave, 

 Swissvale Station, Pittsburg, Pa. Experimental 

 physics. Southington, Conn, Sept. 25, 74. A.B, 

 Yale, 98, Sloane fellow, 99-01, Ph.D, 01. Asst. 

 physics, Yale, 99-01; asst. ed, * N. Y. Elec. 

 Rev,' 01-02; instr. science, De Lancey Sch, 

 Phila, 02; Thurston Prep. Sch, 02-03; eng. 

 apprentice, Westinghouse Elec. and Mfg. Co, 

 03-05. M.A.A. Spectrum analysis. 



Drake, Prof. N(oah) F(ields), Tientsin, China. 

 Geology. Summers, Ark, Jan. 30, 64. C.E, 

 Arkansas, 88; A.M, Stanford, 95, Ph.D, 97. 

 Geologist, Ark. Geol. Surv, 87; Tex. Geol. Surv, 

 89-93; asst. geologist, U. S. Geol. Surv, 97; 

 prof. geol. and mining, Imperial Tientsin Univ, 

 98-00; consulting geologist, Am.-China Devel- 

 opment Co, 02-04; prof. geol. and mining, Pei 

 Yang Univ, 05- Asst. topographer, U. S. Geol. 

 Surv, 94; engineer, Pub. Works Dept, Tientsin 

 Provisional Govt, 00-01. Geol. Soc; Min. Eng. 

 Geology. Chinese coal-fields; wind-blown mate- 

 rials in North China. 



Draper, Dr. Daniel, Hastings-on-Hudson, N. Y. 

 Meteorology, Mechanics. New York, N. Y, 

 April 2, 41. Grammar sch. and private in- 

 struction. Asst. physiol. and chem. to Prof. 

 J. W. Draper; director, N. T. Meteorol. Observa- 

 tory, 68- Apprentice, Novelty Iron Works, N. 

 Y, GO; asst. port engineer, Star Line to New 

 Orleans, La, 65. Hon. Ph.D, N. Y. Univ, 80. 

 F.A.A; Social Sci. Ass; Philos. Soc; Nat. Geog. 

 Soc. Mechanical meteorology. 



Dresser, John A(lexander), 145 Rose de Lima St, 

 Montreal, Can. Geology, Petrography. Rich- 

 mond, Que, June 27, 66. A.B, McGill, 93; Har- 

 vard, 94-95; A.M, McGill, 97. Principal, St. 

 Francis Col, Richmond, Que, 95-03; Prince 

 Albert Sch, Montreal, OS- Assoc, ed, 'Jour. 

 Geog'; lecturer, Prov. Agr. Col, Compton, Que, 

 02-03. Can. Min. Inst. Geology; petrography; 

 petrographic studies in the Monteregian Hills, 



