AMERICAN MEN OF SCIENCE 



177 



B.S, Texas, 03, fellow, 03-04, M.S, 04. Student 

 asst. zool, Texas, 02-03, tutor geol, 04-05, instr, 

 05-08; asst. geologist, U. S. Geol. Sun% 08-15, 

 geologist. Gulf Production Co, 15-16; comult- 

 ing geologist, 16- Geol. Soc; Min. and Metal. 

 Eng; Ass. Petrol. Geol. (pres, 18). Stratig- 

 raphy and economic geology of the Texas coastal 

 plains; gulf coast salt domes. 



De Voss, Prof. J(aines) C(larence), Kansas State 

 Normal School, Emporia, Kans. Animal psy- 

 chology. Knox Co, Nebr. A.B, 11, A.M, 12. 

 Asst. psychol, Colorado, 12-13; principal, high 

 sch, Fairview, Kans, 12-13 ; supt. pub. schools, 

 Horton, 13, director, bur. educ. measurements 

 and standards, Eans. State Nor. Sch. Capt, 

 Sanit. C, 18. Color vision of cats; cat's use of 

 paws. 



Dewey, Bradley, 29 Raymond St, Cambridge, 

 Mass. Chemistry. Burlington, Vt, Aug. 23, 87. 

 A.B, Harvard, 08; B.S, Mass. Inst. Tech, 09. 

 Director, research lab, Am. Sheet and Tin Plate 

 Co; pres, Dewey and Almy Co. Col, C.W.S. 

 Chem. Soc; Electrochem. Soc; Soc. Test. Mat; 

 Am. Iron and Steel Inst. 



Dewey, Frederic P(erkliis), TJ. S. Treasury De- 

 partment, Washington, D. C. Chemistry, Metal- 

 lurgy. Hartford, Conn, Oct. 4, 55. Ph.B, Yale, 

 76. Instr. chem, Lafayette, 76-77; chemist 

 building stones, tenth census, 81; mineralogist, 

 TJ. S. Geol. Surv, 82; curator econ. geol. and 

 metal, U. S. Nat. Museum, 82-89 ; expert in 

 chem. and metal, patents, 89-03; assayer, iur. 

 of the mint, U. S. Treas. Dept, OS-, acting di- 

 rector, 13-15. Chem. Soc. (pres, Wash. Sect, 93, 

 treas, 01-) ; Min. Eng; Soc. Chem. Indust; Elec- 

 trochem. Soc. Analytical chemistry and its ap- 

 plication to metallurgy. 



Dewey, Prof, John, Columbia University, New 

 York, N. Y. * Philosophy. Burlington, Vt, 

 Oct. 20, 59. A.B, Vermont, 79; Ph.D, Hopkins, 

 84; LL.D, Wisconsin, 04; Michigan. 13. Instr. 

 and asst. prof, philos, Michigan, 84-88 ; prof, 

 Minnesota, 88-89; Michigan, 89-94; Chicago, 

 94-04, director, sch. of educ, 02-04; prof, philos, 

 Columbia, 04- Nat. Acad; A.A. (v. pres, 08); 

 Soc. Nat; Philos. Soc; Psychol. Ass. (pres, 

 99); Philos. Ass. (pres, 05). Logical theory; 

 social psychology; ethical history; history of 

 moral beliefs and practises of humaiiity. 



Dewey, Lyster H(oxle), 4512 Ninth St, N. W, 

 Washington, D. C. *Botany. Cambridge, Mich, 

 March 14, 65. A.B, Mich. Agr. Col, 88. Instr. 

 bot, Mich. Agr. Col, 88-90; botanist in charge 

 fiber investigations, U. S. Dept. Agr, 90- A.A; 

 Wash. Bot. Soc; Wash. Biol. Soc; Wash. Acad. 

 Grasses; weeds troublesome to agriculture; fiber 

 plants; origin and classification of varieties of 

 cotton ; production of fiber from hemp, flax, 

 sisal and manila plants. 



DeWitt, Dr. Lydia M, Sprague Memorial Insti- 

 tute, Chicago, 111. ^Pathology. Flint, Mich. 

 Feb. 1, 59. M.D, Michigan, 98, B.S, 99, Dem- 

 onstrator anat, Michigan, 96-97, asst. histol, 

 98-02, instr, 02-10; path, Washington (St. 

 Louis), 10-12; mem, Sprague Mem. Inst, 12-, 

 asst. prof, path, Chicago, 12-18, assoc. prof, 18- 

 Am. Med. Ass; Ass. Path, and Bact;, Ass. 

 Tuber; Chicago Path. Soc. Nerve endings 

 in muscle, tendon and esophagus; morphology 

 12 



of kidneys; morphology and function of areas 

 of Langerhans; pathology of muscle; myositis 

 ossificans; membranous dysmenorrhea; sino- 

 ventricular connecting system of mammalian 

 heart; chemotherapy of tuberculosis; bacteri- 

 cidal action of copper salts. 



DeWolf, Frank W(albrldge), State Geological 

 Survey, Urbana, 111. Geology. Vail, Iowa, 

 March 22, 81. B.S, Chicago, 03, 03-04. Asst. 

 geol, Chicago, 03-04; geol. aid to geologist, U. 

 S. Geol. Surv, 04-08; asst. state geologist. III. 

 Geol. Surv, 08-09, acting director and director, 

 09-17, chief, 17- Asst. director, U. S. Bur. 

 Mines, 17-18; mem. div. states relations and div. 

 geog. and geol, Nat. Research Council, 17- 

 A.A; Geol. Soc; Ass. Petrol. Geol; Ass. State 

 Geol. (past pres) ; Min. Eng; West. Soc. Eng; 

 ni. Soc. Eng. (past v. pres) ; 111. Acad, (past 

 pres). Administration of geological investiga- 

 tions; coal and oil. 



Dexter, Prof. Edwin G(rant), Panama, Panama. 

 Psychology, Education. Calais, Maine. Julv 21, 

 68. B.P, Brown, 91. A.M, 92; Ph.D, Columbia, 

 99. Science master, high sch, Colo. Springs, 92- 

 95; prof, psychol, Colo. State Nor. Sch, 95-00; 

 educ, Illinois, 00-07, director, sch. educ, 05-07; 

 commissioner of educ, P. R, and chancellor. 

 Univ. Porto Rico, 07-12; rector, Inst. Nacional 

 de Panama, 112- A.A; Psychol. Asa; Soc. 

 Sci. Educ; Am. Geog. Soc; HI. Child-study Soc. 

 The influence of the weather on conduct; history 

 of education in the United States. 



Dexter, Prof. Franklin, 247 Marlborough St, Bos- 

 ton, Mass. *Anatomy. Boston, May 10, 57. 

 M.D, Columbia, 87. Asst. demonstrator anat. 

 Columbia, 92-93; asst. histol. Harvard Med. 

 Sch, 93-94, demonstrator anat, 94-95. asst. prof. 

 96-99, assoc. prof, 00- Ass. Anat. Medulla of 

 the rabbit; abdomen, vitelline vein and brain of 

 the cat; paraphysis of Mammalia. 



Dexter, Prof . John S(mitli), University of Saskat- 

 chewan. Saskatoon, Sask, Can. Zoology. 

 Shiocton. Wis, Aug. 21, 85. A.B, Ripon, 08; 

 A.M, Wisconsin, 09; fellow, Columbia, 13-14, 

 Ph.D, 14. Prof, biol, Northland. 09-12; Olivet, 

 14-15; SasMtchewan. 15- A.A; Soc. Mammal. 

 Heredity of Droaophila. 



Dice, Dr. Lee E(aymond), University of Michi- 

 gan, Ann Arbor, Mich. Zoology. Savannah, 

 Ga, July 15, 87. A.B, Stanford, 11; M.S, Cali- 

 fornia, 14, Ph.D, 15. Deputy fur warden, 

 Alaska Fisheries Service, 11-13; instr. zool, 

 Kansas State, 16-17; asst. prof, biol, Montana, 

 17-18; curator mammals, museum zool, Michi- 

 gan, 19- Field asst, biol. surv, U. S. Dept. Agr ; 

 asst. zool, Illinois, 19. A.A; assoc. mem. Ornith. 

 Union; Cooper Omith. Club; Paleont. Soc; Soc. 

 Mammal; Ecol. Soc; West. Soc. Nat; Wash. 

 Biol. Soc. Behavior of Daphnia; ecology of 

 land vertebrates in Alaska, California, Kansas, 

 Montana and Washington; evolution of rodents 

 and lagomorphs. 



Dick, Dr. George F(rederick), 25 E. Washington 

 St, Chicago, 111. Bacteriology. Fort Wayne, 

 Ind, July 21, 81. M.D, Rush Med. Col, 05. 

 Intern, Cook Co. Hosp, 05-06; instr. path. Chi- 

 cago, 10-11; mem. McCormick Inst, for Infec- 

 tious Diseases, 11-14; pathologist, St. Luke's 



