80 



AMERICAN MEN OF SCIENCE 



Davis, Dr. Bergen, Columbia University, New 

 York, N. Y. *Physics. White House, N. J, 

 March 31, 69. B.S, Rutgers, 96; fellow, Colum- 

 bia, 99-00, A.M, 00, Ph.D, 01, John Tyndall fel- 

 low, 01-03 (Gottingen, 01-02; Cambridge, 02- 

 03 ) . Teacher, N. Y. City, 96-99 ; asst. physics, 

 Columbia, 00-01, tutor, 03- F.A.A; Physical 

 Soc. Sound waves; motion of ions in varying 

 magnetic field; electrical phenomena of various 

 gases in the electrodeless discharge; relation be- 

 tween electrical and gravitational forces; etc. 

 Constants of the ether considered as an elastic 

 solid. 



Davis, Prof. Bradley M(oore), University of 

 Chicago, Chicago, Ills. *Botany. Chicago, 

 Nov. 19, 71. Indiana, 89-91; A.B, Stanford, 

 92 ; A.B, Harvard, 93, A.M, 94, Ph.D, 95. Asst. 

 hot, Chicago, 95-96, assoc, 96-98, instr, 98-02, 

 asst. prof, 02- Head instr. hot, Woods Hole, 

 97- F.A.A; Soc. Nat; Bot. Soc; Bot. Cent. 

 States; Bot. Gesell. Cytological studies among 

 the cryptogams; life histories of Algae. Repro- 

 ductive phases and life histories among the 

 thallophytes ; principles of plant evolution. 



Davis, Prof. Charles A(lbert), 303 S. Division St, 

 Ann Arbor, Mich. Botany, Forestry. Ports- 

 mouth, N. H, Sept. 29, 61. A.B, Bowdoin, 86, 

 A.M, 89; Michigan, 00; Sch. of Forestry, Cor- 

 nell, 01-02; Ph.D, Michigan, 05. Science 

 teacher, Hyde Park High Sch, Chicago, 86-87; 

 prof. nat. science, Alma, 87-96, biol. and geol, 

 96-00; instr. forestry, Michigan, 01-05, cura- 

 tor, Herbarium, 05- Field agent, Mich. Geol. 

 Surv, 96-; instr. geol, Michigan, summers, 00, 

 01; field asst, U. S. Geol. Surv, 04; consulting 

 botanist, Mich. Biol. Surv, 05- Forestry Ass; 

 Mich. Acad. Nature and origin of marl; plant 

 distribution and ecology. -Relation of living 

 plants to peat; ecological relations of the for- 

 ests of Michigan; silvicultural characteristics 

 of North American forest trees. 



Davis, Charles Henry, 25 Broad St, New York, 

 N. Y. Engineering. Montgomery Co, Pa, May 

 4, 65. C.E, Columbia, 87. Expert, Lynn Fac- 

 tory, Thomson-Houston Elec. Co, 87; engineer 

 and asst. to pres, Sawyer-Man Elec. Co, N. Y, 

 87-88; engineer and supt. of construction, 

 Westinghouse Elec. and Mfg. Co, N. Y, 88-89; 

 consulting engineer, Phila, Boston and N. Y, 89- 

 Executive officer in various companies. Math. 

 Soc; Civil Eng; Elec. Eng; Mech. Eng; Min. 

 Eng; Naval Archit. and Marine Eng; Naval 

 Eng; Heat, and Vent. Eng; Franklin Inst; 

 West. Soc. Eng; N. Y. Acad; Can. Soc. Civil 

 Eng; Gt. Britain Iron and Steel Inst; British 

 Inst. Elec. Eng; Scottish Inst. Eng. and Ship- 

 builders; N. of England Inst. Min. and Mech. 

 Eng; Irish Inst. Civil Eng; New South Wales 

 Eng. Ass, and other American and foreign so- 

 cieties. Railroad and street railway engineer- 

 ing, operation and management. A high speed 

 railroad between Philadelphia and New York. 



Davis, Rear Admiral C(harles) H(enry), U. S. N, 

 Navy Department, Washington, D. C. Astron- 

 omy. Cambridge, Mass, Aug. 28, 45. Grad, 

 U. S. Naval Acad, 64. All grades from ensign 



to rear admiral, U. S. N, 6Jf-; supt, U. S. Naval 

 Observatory, 97-02 (except April-Sept, 98). 

 Divisional commander, Battle Ship Squadron, 

 North Atlantic Fleet, U. S. N. F.A.A; Wash. 

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

 Differences of longitude measured by use of sub- 

 marine cables. 



Davis, Dr. D(avid) J(ohn), Rush Medical Col- 

 lege, Chicago, Ills. Pathology. Racine, Wis, 

 Aug. 9, 75. B.S, Wisconsin, 98; M.D, Rush 

 Med. Col, 03, fellow, 03-04; research student, 

 Mem. Inst, for Infectious Diseases, Chicago, 

 04- Ass. Path, and Bact. The spinal cord; 

 meningococcus infections; influenza infections. 

 Bacteriology of meningitis; bacteriology of 

 whooping cough. 



Davis, Dean Ellery W(Uliams), 1345 S. 18th St, 

 Lincoln, Nebr. *Mathematics. Oconomowoc, 

 Wis, March 29, 57. B.S, Wisconsin, 79; Ph.D, 

 Hopkins, 84. Prof, math, Fla. Agr. Col, 84-88 ; 

 South Carolina, 88-93; Nebraska, 93-, dean, 

 Col. of Lit, Science and Arts, 01- Math. Soc; 

 Nat. Geog. Soc; Nat. Educ. Ass; Nebr. Acad, 

 (pres, 01). Geometrical representation of 

 various analytical conceptions and processes. 

 The application of logical calculus in determin- 

 ing the foundations of mathematics. 



Davis, Grant T(rain), Orono, Me. Chemistry. 

 Clinton, Mich, March 19, 77. A.B, Michigan, 

 03. Asst. org. chem, Michigan, 02-03; instr. 

 gen. chem, Maine, 03- Chem. Soc. Triphenyl- 

 methyl acetate. 



Davis, Dr. G(wilym) G(eorge), 255 S. 16th St, 

 Philadelphia, Pa. Medicine. Altoona, Pa, July 

 . 20, 57. A.B, Central High Sch, Phila, 76, A.M, 

 81; M.D, Pennsylvania, 79; mem. Royal Col. 

 Surg, 80; M.D, Gottingen, 81. Surgeon, St. 

 Joseph's Eosp, 90-; Episcopal, 96-; Orthop, 

 97-; assoc. prof, applied anat, Pennsylvania, 00- 

 Am. Med. Ass; Orthop. Soc; Acad. Polit. and 

 Soc. Sci; Pa. Med. Soc; Phila. Co. Med. Soc; 

 fel. Phila. Col. Physicians; Phila. Acad. Surg. 

 Surgery; orthopedics. Surgery. 



Davis, Harvey N(athaniel), Perkins Hall, Cam 

 bridge, Mass. Mathematical physics. Provi 

 dence, R. I, June 6, 81. A.B, Brown, 01, A.M 

 02; Whiting fellow, Harvard, 02-05, A.M, 03 

 Instr. math, Brown, 01-02; physics and math, 

 Harvard, 05- Physical Soc; Math. Soc. 



Davis, Dr. Herman S (teams), International Lati- 

 tude Observatory, Gaithersburg, Md. *Astron- 

 omy. Milford, Del, Aug. 6, 68. A.B, Prince- 

 ton, 92 ; fellow, Columbia, 93-95, A.M, 94, Ph.D, 

 95. Asst. astronomer, U. S. Scientific Exped, 

 W. Africa, 89-90; tutor astron. and geod, Co- 

 lumbia, 95-99 ; in charge, Int. Latitude Observa- 

 tory, 00-05. Expert computer and asst, U. S. 

 Coast and Geod. Surv, 00; first asst, Allegheny 

 Observatory Eclipse Exped, 00; assoc. ed, 

 'Astron. Jahresbericht,' 00- F.A.A; Astron. 

 and Astrophys. Soc; Wash. Philos. Soc; Astron. 

 Gesell. Variation of latitude; constant of 

 aberration; mean star positions and proper mo- 

 tions; the history of astronomy. New reduc- 

 tion of Piazzi's observations; biographical cyclo- 



