AMERICAN MEN OF SCIENCE 



169 



soil; soluble salts in soil; synthetic ammonia; 

 ammonia absorbents. 



Davis, Prof, Vernon Hayes, 236 W. Eighth Ave, 

 Columbus, Ohio. Horticulture. Cambridge, Ohio, 

 March 4, 77. B.S.(Agr), Ohio State, 00; M.S.A, 

 Cornell, 01. Asst. hort. and forestry, Ohio 

 State, 01-02, asst. prof, hort, 02-14, prof, 14- 

 17; chief, bur. markets and marketing, Ohio, 17- 

 20; manager, Cataroba Orchard Co, 20- Soc. 

 Hort. Sci. Soil physics; methods of orchard 

 management and of truck gardening; marketing. 



Davis, Prof. W(illiam) M (orris), 31 Hawthorn 

 St, Cambridge, Mass. ^Physical geography, 

 Geology. Philadelphia, Pa, Feb. 12, 50. B.S, 

 Harvard, 69, M.E, 70; hon. Sc.D, Cape Town, 

 05; Melbourne, 14; Ph.D, Christiania, 11; 

 Greifswald, 06. Asst, Arg. Nat. Observatory, 

 Cordoba, 70-73; asst. geol, Harvard, ll-Td, 

 instr, 79-85, asst. prof, physical geog, 85-90, 

 prof, 90-99, Sturgis-Hooper prof, geol, 99-12, 

 emer. prof, 12- Asst. geologist, U. S. Geol. 

 Surv, 90-15; assoc. ed, ' Science' and 'Am. Jour. 

 Science'; adviser, geog. research, Carnegie In- 

 stitution; physiographer, Pumpelly's Carnegie 

 Institution exped. to Turkestan, 03; guest, Brit- 

 ish Ass. S. African meeting, 05; Australia meet- 

 ing, 14; Harvard visiting professor, Berlin, 08- 

 09; Paris, 11-12; Cullom medal. Am. Geog. Soc, 

 08; medal, Harvard Travellers Club, 11; Cul- 

 ver medal, Chicago Geog. Soc, 13; Kane medal, 

 Phila. Geog. Soc, 13 ; Hayden medal, Phila. 

 Acad, 18; Patron's medal, Eoyal Geog. Soc, 19; 

 Vega medal, Swedish Geog. Soc, 20. Nat. Acad; 

 A.A. (sec'y, E, 87, v. pres, 03); Geol. Soc. 

 (acting pres, 06, pres, 11) ; Ass. Geog. (pres, 

 05, 09) ; Harvard Travellers Club (pres, 02-10) ; 

 Am. Acad. (cor. sec'y, 00-04, v. pres, 15-19); 

 Philos. Soc; Boston Soc. Nat. Hist; cor. mem. 

 Geog. Societies of Chicago, Philadelphia, Lon- 

 don, Paris, Munich and Petrograd; Soc. Cient. 

 Ant. Alz ; London Geol. Ass ; London Geol. Soc ; 

 Meteor. Gesell ; hon. mem. Geog. Societies of 

 New York, Berlin, Leipzig, Frankfort, Amster- 

 dam, Stockholm, Geneva, Greifswald, Vienna, 

 Budapest, Eome, Madrid and Neuchatel; cor. 

 mem. Berlin Acad; Paris Acad; for. mem. 

 Stockholm and Christiania Academies. Physical 

 geography of the land ; coral reefs. 



Davis, W(illia)m T(hompson), 146 Stuyvesant 

 Place, New Brighton, N. Y. Entomology, Botany. 

 New Brighton, Oct. 12, 62. Private schools. 

 A.A; Entom. Soc; fel. N. Y. Acad; Brooklyn 

 Entom. Soc. (pres, 12-16, 20-) ; N. Y. Entom. 

 Soc. (treas, 04-) ; Staten Isl. Inst. Arts and Sci. 

 (v. pres, 05-); Phila. Acad; Boston Soc. Nat. 

 Hist. Entomology of cicadas of North Amer- 

 ica. 



Davison, A(lbert) W(atson), Parr, Va. Chem- 

 istry. Alexandria, Ohio, April 24, 88. B.S. 

 Denison, 10; A.M, Ohio State, 11; Ph.D, Cor- 

 nell, 14. Asst. chem, Ohio State, 10-12; Cornell, 

 13-14; research chemist. Int. Agr. Corp, 14; 

 asst. prof, chem, Cincinnati, 14-17; with U.S.A, 

 17-19; manager, Va. Haloid Co, 19- Electro- 

 chem. Soc. Thermo-electric currents; electro- 

 deposition of metals; electrolytic oxidation; fats 

 and soaps; leather; dyeing. 



Davison, Dr. Charles, 2320 Jackson Boulevard, 

 Chicago, 111. Surgery. Harrington, 111, Jan. 13, 



58. M.D, Northwestern, 83, A.M, 17. Intern, 

 Coolc Co. Hasp, 83-84, attending surgeon, 94-, 

 pres. staff, 17-19; prof. surg. anat, med. dept, 

 Illinois, 99-00, adj. prof. clin. surg, 00-03, surg. 

 and clin. surg, 03-04, prof, 04-, head, dept. surg, 

 17-; attending surgeon, Univ. Hosp, 08- Trus- 

 tee, Illinois, 05-11. Am. Med. Ass; Col. Surg, 

 (governor, 13); Chicago Surg. Soc. (pres, 

 12). Transplantation of bone; autoplastic bone 

 surgery. 



Davisson, Dr. C(linton Joseph), Western Electric 

 Co, 463 West St, New York, N. Y. Physics. 

 Bloomington, III, Oct. 22, 81. B.S, Chicago, 08; 

 fellow, Princeton, 10-11, Ph.D, 11. Instr. 

 physics, Princeton, 05-10; Carnegie Inst. Tech, 

 11- A.A. Thermionics. 



Davisson, Prof. S(chuyler) C(olfax), Indiana Uni- 

 versity, Bloomington, Ind. Mathematics. Gal- 

 veston, Ind, Jan. 2, 66. A.B, Indiana, 90, A.M, 

 92; fellow, Clark, 95-96; Harvard, 98-99; Sc.D, 

 Tiibingen, 00. Instr. math, Indiana, 98-93, 

 assoc. prof, 93-05, junior prof, 05-08, prof, 08- 

 Prof. math, N. Y. Univ, summer, 09. A.A; 

 Math. Soc; Math. Verein. Geodesic lines in 

 higher space. 



Davoll, D(avid) L(ake), Newport, E. I. Chem- 

 istry. Amesbury, Mass, Aug. 15, 69. Ph.C, 

 Michigan, 93, B.S, 97; Chicago, summer, 98. 

 Asst. qual. anal, Michigan, 92-94; research 

 chemist, Parke, Davis and Co, 94-96; instr. org. 

 chem, Michigan, 96-97; asst. prof, applied 

 chem, sch. pharmacy. Northwestern, 97-98, prof, 

 98-99; chief chemist. Peninsular Sugar Eef. Co, 

 Mich, 99-03, technical supt, 03-06; supt. and 

 chief chemist, Guantanamo Sugar Co, 06-12; 

 consulting chemist, 12- Expert sugar technique 

 to Chas. E. Hughes, N. Y. City, 03-06. Fifth, 

 sLxth and seventh Congresses Applied Chem. 

 (mem. organization committee). Chem. Eng. 

 Technology of raw and refined sugar. 



Davy, J(oseph) Burtt, Botany School, The Univer- 

 sity, Cambridge, Engkind. Botany. Findern, Eng- 

 land, March 7, 70. Ilkley Col, Leeds; Eoval Bot. 

 Gardens, Kew, 91-92; California, 93-02; Cornell, 

 07; Cambridge, England, 13, 20. Student asst. 

 bot, California, 93-05, asst, and asst. botanist, 

 Exp. Sta, 95-02, instr, 02-03; govt, agrostolo- 

 gist and botanist, Transvaal Dept. Agr, 03-10; 

 Union of S. Africa Dept. Agr, 10-13. Asst. 

 curator, U. S. Dept. Agr, 02-03. Medal, Acad. 

 Int. G^og. Bot. A.A; Int. Ass. Bot; Brit- 

 ish Ass. (v. pres); Eoyal Geog. Soc; London 

 Linnean Soc; Royal Hort. Soc; Eoyal Soc. 

 Arts; Eoyal Soc. S. Africa (councilor); Trans- 

 vaal Biol. Soc. (v. pres) ; S. Africa A. A. S. (v. 

 pres); S. Africa Biol. Soc; S. Africa Bot. Soc. 

 Systematic, economic and agricultural botany; 

 ecology; Gramineae of California and South 

 Africa; halophytic plants; the flora of Trans- 

 vaal; origin and distribution of the raw ma- 

 terials of commerce; maize breeding. 



Dawes, Prof. H(enry) F(ranklin), 600 Manning 

 Ave, Toronto, Can. Physics. Paisley, Ont, Oct. 

 15, 81. B.A, Toronto, 04, M.A, 05," Ph.D, 18; 

 Cambridge, 06-08. Asst. demonstrator physics, 

 Toronto, 04-06, lecturer, 08-11 ; prof, McMaster, 

 11- Physical Soc. Ionization by collision; 

 image formation by crystalline media. 



