AMERICAN MEN OF SCIEXCE 



685 



and engineer, 04-13; head, dept. physics, Kan- 

 sas State Nor. Sch, 13-17; prof. math, and en^', 

 Phillips, 17-18; head, dopt. eng, Marion Mil. 

 Inst, 18-19; private practise, 19-20; gen. man- 

 ager, Ala. Concrete Products Co, 20- A.A; 

 Physical Soc; Chem. Soc; Elec. Eng; Ass. Eng; 

 Okla. Eng. Soc; Iowa Science Teachers Ass. 

 Cpres). Strength of materials; optical proper- 

 ties of metals. 



Tidestrom, Ivar, U. S. Department of Agriculture, 

 Washington, D. C. Botany. California, 91-95; 

 Catholic Univ, 96-98, Ph.B, 97. Asst. botanist, 

 bur. plant indust, U. S. Dept, Agr. Bot. Soc; 

 Torrev Bot. Club; Wash. Bot. Soc; Wash. Biol. 

 Soc. 



Tigert, Prof. Jno. J(ames), University of Ken- 

 tucky, Lexington, Ky. Psychology. Nashville, 

 Tenn, Feb. 11, 82. A.B, Vanderbilt, 04; B.A. 

 Oxford. 07, M.A, 15. Prof, psychol. and philos, 

 Central (Mo), 07-09; prof, and pres, Ky. Wes- 

 leyan, 09-11; prof, psychol. and philos, Ken- 

 tucJcy, 11-17, psychol, 17- Mem. Armv Educ. 

 C, A.E.F, 18-19. A.A; Ky. Acad. Relation of 

 retardation and defective sensation; psychology 

 of evidence. 



Tilden, Prof. C(harles) J(osepli), Yale University, 

 New Haven, Conn. Civil engineering. Brook- 

 line, Mass, Oct. 3, 73. B.S, Harvard, 96; A.M, 

 Yale, 19. Structural draftsman, 97-00; asst. 

 engineer, N. Y. Rapid Transit Commission, 01- 

 03; instr. civil eng, Cornell, 04; Michigan, 05- 

 06, asst. prof, 06-08, junior prof, 08-11, prof, 

 and head dept, eng. mech, 11-13 ; prof, civil eng, 

 Hopkins, 13-19; prof. eng. mech. and chairman 

 of dept, Yale, 19- Capt, reserve E.C, 17-; with 

 dept. educ. and training, Emergency Fleet Corp, 

 18. A.A; Civil Eng. Reinforced concrete tests; 

 structural steel work; eccentric tension in an- 

 gles ; reinforced concrete highway bridges ; stress 

 distribution in girders ; civil engineering history. 



Tilden, Prof. Josephine E(Iizabeth), 2105 First 

 Ave, S, Minneapolis, Minn. Botany. Daven- 

 port, Iowa. B.S, Minnesota, 95, M.S, 97. Instr. 

 bot, Minnesota, 98-02, asst. prof, 02-10, prof, 

 10- A.A; Bot. Soc. American algae; the algae 

 of the Hawaiian Islands; South Pacific algae; 

 Myxophyceae of North America ; index Algarum 

 universalis. 



Tileston, Prof. Eoland, Colorado College, Colorado 

 Springs, Colo. Physics. Mass, 86. A.B, Dart- 

 mouth, 07, A.M, 11. Transitman, B. and N. and 

 O. C. Street Rv, 07-08; instr. physics, Dart- 

 mouth, 08-11; field chief, Doherty Co, 12-13; 

 prof, physics, Colo. Col, 13- Math. Ass. Op- 

 tics; radioactivity; spectroscopy; emanation 

 electroscope. 



Tileston, Prof. Wilder, 101 Grove St, New Haven, 

 Conn. Medicine. Concord, Mass, Jan. 22, 75. 

 A.B, Harvard, 95, M.D, 99. Asst. clin. chem, 

 Harvard Med. Sch, 01-03, clin. med, 06-08; 

 asst. prof, med, Yale, 09-19, prof. clin. med, 19- 

 As.st. visiting physician, L. I. Hosp, Boston; 

 consulting physician, Mass. Charitable Eye and 

 Ear Infirmary. Am. Physicians; Soc. Clin. 

 Invest. Internal medicine; hematology; tuber- 

 culosis; the digestive system; diseases of the 

 pancreas. 



Tillman, Prof. S(amuel) E(scue), West Point, N. 

 Y. Chemistry, Geology. Shelbyville, Tenn, 



Oct. 2, 47. Grad, U. S. Mil. Acad, 69; A.il, 

 Yale, 06. Officer, E.C. U.S.A. 72-81; prof, 

 chem, miner, and geol, U. S. Mil. Acad, 81-11, 

 retired, 11--17, supt, 17-19. Asst. astronomer) 

 U. S. transit of Venus exped, Tasmania, 74-75; 

 asst. engineer, U. S. Geog. Surv, War Dept, west 

 of 100th meridian, 73-74, 76-79; brig, gen, 19. 

 D. S. medal. A.A. Essential principles of 

 chemistry; heat; mineralogy-. 

 TiUotson, Dr. E(dwin) Ward, Jr, Mellon Insti- 

 tute, Pittslmrgh, Pa. Chemistry, Mineralof/i/ 

 Farmington, Conn, Feb, 84. A.B, Yale, 06, fel- 

 low, Ph.D, 09. Asst. chem, Yale, 06-07; in- 

 dustrial fellow, Kansas, 09-13; asst. director, 

 Mellon Inst, IS- Chem. Soc. (chairman, Pitts- 

 burgh sect, 20); Ceramic Soc. (sec'y, glass div, 

 19-). Organic chemistry; the relation between 

 the optical properties and the chemical composi- 

 tion of glass. 



Tillson, Geo(rge) W(iinam), 313 S. Catherine 

 Ave, La Grange, 111. Civil engineerinq. Thomas- 

 ton, Maine, Dec. 18, 52. B.S, C.E, Bowdoin, 

 77, Sc.D, 19. City engineer. Omaha, Nebr, 87- 

 92; asst. engineer, Dept. Pub. Works, Brooklyn, 

 N. Y, 95-02; chief engineer. Bur. of Highways, 

 Borough of Brooklyn, 02-07; Borough of Man- 

 hattan, 07-11; consulting engineer to borough 

 pres. Borough of Brooklyn, 11-18, retired, 18. 

 Civil Eng. (past director, past treas) ; Soc. 

 Munic. Improv. (past pres. and sec'y); Road 

 Ass. (past pres); West. Soc. Eng; Brooklyn 

 Eng. Club (past pres) ; N. Y. Munic. Eng. (past 

 pres). General improvement of cities; street 

 pavements. 



Tillyer, Edgar D(erry), 4 Maple St, South- 

 bridge, Mass. Optical science. Dover, N. J, 

 81. B.S, Rutgers, 02, M.S, 05; George Wash- 

 ington, 03. Asst, * Nautical Almanac ' Of- 

 fice, 02-06; U. S. Naval Observatory, 06-11; 

 Bur. Standard-s, 11-16; optical designer, Am. 

 Optical Co, 16- Physical Soc; Ilium. Eng. Soc; 

 Wash. Acad. Astronomy; optical design; aber- 

 ration free spectacle lens. 



Tilney, Prof. Frederick, 22 E. 63d St, New York, 

 N. Y. Neurolonii. Brooklvn. N. Y, June 4. 76. 

 A.B, Yale, 97; M.D, L. I." Col Hosp. 03; Ph.D, 

 Columbia, 12. Lecturer embryol, L. I. Col. Hosp ; 

 prof, neur, Columbia. Ass. Anat; Nour. Ass; 

 , N. Y^. Neur. Soc; N. Y. Med. Soc. Compara- 

 tive histolog}' of h}-pophysis cerebri; axial veins 

 and lymphatic in Tragulus; venous return to 

 iliac veins; morphologv- of the diencephalic floor; 

 craniate homology; vascularization of the nerv- 

 ous system ;nucleo-genesi3 of the optic thalamus; 

 form and functions of the central nervous system. 



Tilton, Prof. John L(ittlefield), Morgantown.West 

 Va. Geology. Nashua, N. II, Jan. 11. 63. A.B, 

 Weslevan, 85, A.M, SS : A.M, Harvard. 95; fel- 

 low. Chicago. 02-03, Ph.D, 10. Asst. nat. hist. 

 Wesleyan, 86-88; prof, p.'ol. and physics, 

 Simpson, 88-20; assoc. prof, geol. West Virginia, 

 20- Geologist, Iowa Geol. Surv. A.A: fel. 

 Iowa Acad, (pres, 07. Geolog>- of central and 

 soutinvestern Iowa. 



Timberlake, P(hilip) H(unter), Sugar Planters' 

 ExiiiTiiiieiit Station, Honolulu. Hawaii. Eco- 

 nomic entomology. Bethel. Maine, June 5. 83. 

 A.B, Bowdoin. 08; A.M, Harvard, 10. Ento- 

 mological asst, bur. entom. U. S. Dept. Agr, 10- 



