AMERICAN MEN OF SCIENCE 



697 



manehean of Kansas; geology of Anticosti 

 Island. 



Twiss, Prof. Edith Minot, Vassar College, Pough- 

 keepsie, N. Y. Botany. Columbus, Ohio, 73. 

 A.B, Ohio State, 95; M.S, Chicago, 07, fellow, 

 08-09, Ph.D, 09. Teacher, various high schools, 

 95-10; asst. prof, hot, Washburn, 10-12, prof, 

 bacter, 12-13, bot, 13-20 ; asst. prof, Vassar, 20- 

 A.A; Bot. Soe; Pub. Health Ass; Kans. Acad. 

 Bacteriology of foods. 



Twiss, Prof. W(ilfred) C(liarles), University of 

 Utah, Salt Lake City, Utah. Botany. San Jose, 

 Calif, July 9, 68. A.B, Southern California, 95 ; 

 A.M, California, 10; Ph.D, Columbia, 19. Instr. 

 hot, Utah, 11-12, asst. prof, 12-15, assoc. prof, 

 15-19, prof, and head of dept, 19- A. A; Tor- 

 rey Bot. Club; Am. Geog. Soc. Cytology; Ery- 

 throphyllum delesserioides; plastids and mito- 

 chondria. 



rwitchell, Dr. E(mst), Wyoming, Ohio. Chem- 

 istry. Cincinnati, Ohio, Feb. 26, 63. B.S, Cin- 

 cinnati, 86, hon. Sc.D, 15. Chemist and factory 

 manager and later chem. director, The Emery 

 Candle Co, 87- ; pres, The Am. Oil Treating and 

 Hardening Co; chairman, board of directors. 

 The Twitchell Process Co. Assoc, ed, 'Jour. 

 Indust. and Eng. Chem,' OS-; Perkins medal, 19. 

 A.A; Chem. Soc; Soc. Chem. Indust. Chemistry 

 of the fats and fatty acids. 



Twitchell, Prof. Mayville W(iUiam), Department 



of Conservation and Development, Trenton, N. 

 J. Geology. Washington, D. C, Oct. 14, 68. 

 B.S, George Washington, 99, M.S, 00; Ph.D, 

 Hopkins, 05. Prof, geol. South Carolina, 05-12; 

 state geologist, S. C, 11-12; asst. state geologist, 

 N. J, 12- Fel. Geol. Soe; fel. Paleont. Soc. 

 Cenozoie Echinoidea; the Mesozoic and Cenozoic 

 Echinodermata of the United States; Tertiary 

 deposits of the Atlantic Coastal Plain; mineral 

 resources of South Carolina and New Jersey; 

 underground waters of New Jersey. 



Twitmyer, Dr. Edwin B(urket), University of 

 Pennsylvania, Philadelphia, Pa. Psychology. 

 McElhattan, Pa, Sept. 14, 73. Ph.B, Lafayette, 

 96, M.S, 99; Ph.D, Pennsylvania, 02. Instr. 

 psychol, Pennsylvania, 97-07, asst. prof, 07-14, 

 prof, and a-sst. director, psychol. lab. and clinic, 

 14- A.A; Psychol. Ass. The patellar tendon 

 reflex; control of fine measuring instruments; 

 diagnosis and methods of correction of speech 

 defects. 



Tyler, Prof. A(nsel) A(ugustus), James Millikin 

 University, Decatur, 111. Biology. East Bridge- 

 water, Pa, March 7, 69. A.B, Lafayette, 92. 

 A.M, 95; Ph.D, Columbia, 97. Instr. biol, 

 Union, 97-98; bot. Syracuse, 98-99; assoc. prof, 

 biol, Arizona, 99-00; prof, science, Bellevue, 

 00-05, biol, 05-16, dean, 11-15; prof, biol, 

 James Millil'in, 16- A.A; Nebr. Acad, (pres, 

 OS); Omaha Fontenelle Forest Ass. (sec'y, 10- 

 16). Nature and origin of stipules. 



Tyler, Prof. H(arry) W(alter), Massachusetts In- 

 .stitute of Technology, Cambridge, Mass. * Math- 

 ematics. Ipswich, Mass, April 16, 63. B.S, 

 Mass. Inst. Tech, 84; Gottingen, 87-88; Ph.D, 

 Erlangen, 89. Asst. math, Mass. Inst. Tech, 

 84-86, instr, 86-90, a.sst. prof, 90-92, assoc. 

 prof, 92-93, prof, 9S-, head of dept, 02-; sec'y 

 faculty, 89-90, 91-06. A.A; Math. Soe; Ass. 



Prof, (sec'y, 16-); Am. Acad, (librarian, 12- 

 14, cor. sec'y, 14-); Math. Soc; Math. Ass; 

 Math. Verein. Determinants. 



Tyler, Prof. Hazen GCreeley), 520 Nostrand Ave. 

 Brooklyn, N. Y. Mechanical cnqincerino. 

 Brooklyn. N. Y, March 21, 90. E.E, Brooklyn 

 Polytech, 11, M.S, 12, M.E, 13; Sc.D, N. Y. 

 Univ, 16. Instr. mech. eng, Brooklyn Polytech. 

 11-16; Rensselaer, 16-17; engineer, West. Elec. 

 Co, 17-; asst. prof. mech. eng, N. Y. Univ, 17- 

 Engineer, N. Y. Edison Co, 12-13. Mech. Eng; 

 Elec. Eng; Eng. Educ. Thermodynamics; steam 

 engineering; refrigeration. 



Tyler, Prof, John M(ason), Amherst, Mass. 

 Biology. Amherst, May IS, 51. Amherst, 69- 

 73; Gottingen, 76-78; Leipzig, 78-79; hon. 

 Ph.D, Colgate. Teacher, Phillips Acad, 73-74; 

 prof, biol, Amherst, 79-18, emer. prof, 18- Soc. 

 Nat; Soc. Zool. Child growth. 



Tyler, Prof. E(ichard) G(rimes), University of 

 Texas, Austin, Tex. Engines rinq. Georgetown, 

 Tex, Oct. 16, So. C.E, ' Texas, V)S; B.S, Mass. 

 Inst. Tech. Asst. engineer. State Reclama- 

 tion Dept, Tex, 12-13; asst. city engineer, Aus- 

 tin, Tex, 13-14; city engineer, Paris, Tex. l.>- 

 16; adj. prof, highway and sanit. eng, Texas, 

 17-19, assoc. prof, 20- Research assoc. eng, 

 bur. econ. geol. and technol, Texas, 17- Assoc. 

 Civil Eng; Austin Eng. Club (pres, 19). High-" 

 way and sanitary engineering; water purifica- 

 tion; sewage disposal; road materials. 



Tyrode, Dr. Maurice Vejux, 416 Marlboro St, 

 Boston, Mass. Pharmacology. Besan(;on, 

 France, Nov. 6, 78. M.D, Harvard, 00; Dalton 

 research fellow, Mass. Gen. Hosp, Boston, 00- 

 01. Asst. Pharmacol, Harvard Med. Sch, 00- 

 01, instr, 01-08, faculty instr, OS- Formerly re- 

 viewer Pharmacol, and toxicol, 'Boston Med. and 

 Surg. Jour.' A.A; Am. Med. Ass; Soc. Pharma- 

 col; Boston Med. Library Ass; Boston Soc. Med. 

 Sci. Pharmacology and therapeutics; functions 

 of isolated kidney; action of .strophanthus, 

 zvgadenus, dog-wood, mercurial proteid com- 

 pound, camphoric acid, thiosinamin; the action 

 of the saline purgatives; the action of .salts 

 and the ions of Ca nnd Mg. 



Tyrrell, J(oseph) B(urr), 14 Walmer Road, To- 

 ronto, Can. Geology. Weston, Ont, Nov. 1, 58. 

 Upper Canada, 7.V76; B.A, Toronto. SO, M.A, 

 89; B.S, Victoria (Ont), 89. Geologist, Can. 

 Geol. Surv, 81-99; consulting viining engineer, 

 99- Back premium. Royal Geog. Soc; Murchi- 

 son medal, London Geol. Soc. A.A ; Geol. Soc ; 

 Min. Eng; Min. and Metal. Soc; hon. mem. 

 Explorers Club; hon. mem. Minn. Hist. Soe; 

 fel. Royal Soc. Can; British Inst. Min. and 

 Metal, (councilor). Mining geology; geography 

 and geology of northern and western Canada; 

 history of northwestern .Vniorim. 



Tyzzer, Prof. E(mest) E(dward), 41 Fairmont 

 Ave, Wakefield. Mass. "Pathology. Wakefield, 

 Aug. 30, 75. Ph.B, Brown. 97, A.M, 9S ; M.D, 

 Harvard, 02, Bullard fellow. 02-03. Asst. path, 

 Harvard, 03-05. supt. cancer research, 05 16, 

 asst. prof, path, OS-16, George Fabyan prof, 

 comp. path, 16- A.A; Ass. Path, and Bact ; 

 Soc. Exp. Path; Ass. Cancer Research (mem. ed. 

 committee); Soc. Exp. Biol; .\m. Med. Ass; 

 Am. Acad; Boston Soc. Nat. Hist. Protozoa in 



