AMEEICAN MEN OF SCIENCE 



207 



29, 91. A.B, Eureka, 12; Ph.D, Illinois, 16. 

 Instr. plant cliem, Illinois, 16-17, assoc, 18, 

 cliem, 18- A. A; Chem. Soc; 111. Acad. Plant 

 chemistry; carbohydrates in plants. 



English, Geo(rge) L(etchworth), 50 Brighton St, 

 Eochester, N. Y. Mineralogy. Philadelphia, 

 Pa, June 14, 64, Grad, Friends ' Cent. Sch, Phila, 

 81. Practising mineralogist, 87-03; expert, 

 Nat. Light and Thorium Co, 03-13; mineralo- 

 gist, Ward's Nat. Science Estai, 13- Lecturer 

 miner, Board of Educ, N. Y. City, 02-03; 

 Brooklyn Inst. A. A ; N. Y. Acad ; N. Y. Miner. 

 Club; Brooklyn Inst; Phila. Acad; Eoehester 

 Acad. Penfieldite; graftonite; pyroxmangite; 

 skemmatite. 



English, Harry, 2907 P St, N. W, Washington, 

 D. C. Mathematics. Baltimore, Md, Dec. 3, 66. 

 A.B, Hopkins, 86, 86-87; LL.B, George Wash- 

 ington, 90, LL.M, 91. Head, dept. math, high 

 schools, Washington, D. C, 87- _ Sec'y, Wash- 

 ington Board of Examiners of Teachers; mem. 

 Int. Commission on Teaching of Mathematics. 

 Math. Soc; Math. Ass; Ass. Teachers Math. 

 Middle States and Md. Methods of teaching 

 mathematics. 



English, Dr. Horace B(idwell), 10 Upland Eoad, 

 Wellesley, Mass. Psychology. Eagle, Nebr, 

 Oct. 1, 92. Nebraska, 09-11; B.A, Oxford, 14; 

 Ph.D, Yale, 16. Asst. psychol, Yale, 14-16; 

 instr. philos. and psychol, Wellesley, 16-17, 19- 

 20, asst. prof, 20- Lieut, and capt, Sanit. C. 

 Psychol. Ass. Mental tests; thought processes. 



Engman, Dr. M(artin) F, Wall Building, St. 

 Louis, Mo. Medicine. New Orleans, La, Aug. 

 20, 69. M.D, Col. City of N. Y. Trof. din. 

 med, Washington (St. Louis); chief of staff, 

 Barnard Free Slchi and Cancer Hosp. Am. Med. 

 Ass; Dermat. Ass. (pres, 19). Skin diseases; 

 syphilis; cancer. 



Enlows, Mrs. Ella M (organ Austin), 122 Willow 



Ave, Takoma Park, D. C. Bacteriology. St. 

 George, W. Va, Aug. 21, 84. A.B, George 

 Washington, 15, M.S, 16. Scientific asst, U. S. 

 Dept. Agr, 10-17, asst pathologist, 17-18; bac- 

 teriologist, hygienic lah, U. S. Pub. Health Serv- 

 ice, 18- Asst. chem, George Washington, 14- 

 16. A.A; Soc. Eact; Wash. Biol. Soc. Anti- 

 streptococcus serum; plant pathology. 



Ennis, Prof. WiUiam D(uane), U. S. Naval Acad- 

 emy, Annapolis, Md. Mechanical engineering. 

 Bergen Co, N. J, Jan. 6, 77. M.E, Stevens, 97; 

 Pittsburgh, 98-00. Engineer, Am. Linseed Co, 

 02-04; Am. Locomotive Co, 05-07; prof. mech. 

 eng, Brooklyn Polyteeh, 07-17; major, ordnance 

 dept, 17-18 ; ordnance engineer, Watervliet 

 Arsenal, and acting prof. mech. eng, Columbia, 

 18-19; prof, V. S. Naval Acad, 19- Tech. ad- 

 viser, claims board, War Dept, 19-20. A.A; 

 Mech. Eng; Eng. Educ. Factory administra- 

 tion; power engineering; power station opera- 

 tion; expressed oils; applied thermo-dynamics. 



Eno, Henry Lane, Princeton, N, J. Psychology. 

 New York, N. Y, July 8, 71. A.B, Yale, 94; 

 LL.B, Columbia, 98. Eesearch assoc, psychol, 

 Princeton, 15- Ornithologist, Lafayette Nat. 

 Park, 19- Psychol. Ass; Ornith. Union. Orni- 

 thology. 



Ensign, M(artin) R(ussell), Fayetteville, Ark. 

 Agriculture. Brigham City, Utah, Nov. 24, 90. 

 B.S, Utah Col, 12; Washington (St. Louis); 

 M.S.A, Cornell, 17. Field asst, Utah Exp'. 

 Sta, 12; instr. agr. and biol, Boxelder High 

 Sch, Utah, 14-16; asst. pathologist, cotton, for- 

 age and truck crop disease investigations, U. S. 

 Dept. Agr, 18-19; farmer, 19-; assoc. prof. agr. 

 educ, Arkansas, SO- Field specialist, N. Y. 

 State Food Commission, 17. Eot. Soc; Phyto- 

 path. Soc. Plant physiology and pathology. 



Eppley, Dr. Marion, 12 Sheffield Ave, Newport, 

 E. I. Chemistry. West Orange, N. J, June 19, 

 83. B.S, Princeton, 06, A.M, 12, Ph.D, 19. 

 Partner, Eobert Goodbody and Co, Bankers, 09- 

 14; research worker, Princeton, 14-17. Mem. 

 staff, 'Scientific American,' 07; lecturer chem, 

 Princeton, 17; lieut. commander, N.E.F, 17- 

 20, commander, 20- A.A; Chem. Soc; Min. 

 Eng ;_ N. Y. Acad ; N. Y. Miner. Club. Physical 

 chemistry; standards of electromotive force; 

 cadmium standard cells; Ostwald dilution law; 

 theory of solutions. 



Epsteen, Dr. S(aul), First National Bank, La 

 Jara, Colo. Mathematics. San Francisco, 

 Calif, Aug. 10, 78. B.S, California, 00; Ph.D, 

 Ziirich, 01; Gottingen, 02. Assoc, math, Chi- 

 cago, 02-05; instr, Colorado, 05-06, asst. prof, 

 06-10, head, dept. eng. math, 06-13; prof, 10- 

 13; insurance commissioner, Colo, IS- Ed, 'Am. 

 Math. Monthly, ' 03-05 ; assoc. ed, ' Sch. Sci. and 

 Math,' 05- Math. Soc; Colo. Math. Soc. (pres, 

 09-). Differential equations; linear associative 

 algebra; life insurance; rational integration of 

 linear differential equations. 



Epstein, Dr. Albert A, 70 E. 83d St, New York, 

 N. Y. Biological chemistry. Eussia, July 

 4, 80. B.S, N. Y. Univ, 02, M.D, 05. Assoc, 

 attending physician and assoc. physiol. chemist, 

 Mt. Sinai Hosp, N. Y. City, 11- A.A; Soc. 

 Biol. Chem; Soc. Exp. Biol; Soc. Clin. Invest; 

 Chem. Soc; Am. Med. Ass. Metabolism. 



Erdmann, Prof. Charles A(ndrew), University of 

 Minnesota, Minneapolis. Minn. Anatomy. Mil- 

 waukee, Wis, Aug. 3, 66. Ph.G, 87; M.D, 93. 

 Instr. anat, Minnesota, 93-95, asst. prof, 95-00, 

 prof, 00- A.A; Asst. Anat. Articulations; 

 peritoneum; pituitary body; lymphatic system. 



Erlckson, E(mil) Theodore, U. S. Geological Sur- 

 vey, Washington, D. C. Chemistry. Murray, 

 Utah, Jan. 20, 87. A.B, Utah, 16, A.M, 17. 

 Anal, chemist and electroanalyst, U. S. Smelt- 

 ing and Eef. Co, summers, 06-11, 12-16; assoc. 

 chemist, div. physical and chem. research, TJ. S. 

 Geol. Surv, 18- Chem. Soc. Geochemistry; 

 Utah hydrocarbons and oil shales; tests to de- 

 tect oil and bitumen; origin of petroleum. 



Ericson, E(ric) J(ohn), 4954 Blackstone Ave, 

 Chicago, 111. Chemistry. Gustafsfors Bruk, 

 Sweden, Feb, 3, 71. Grad, Filipstad's Sch. 

 Mines, Sweden, 89. With various indust. com- 

 panies, 90-05; chief chemist, Edgar Zinc Co, 05- 

 16; chem. engineer, Pan-Am. Manganese Corp, 

 17-18; chief chemist, Chicago div, J. H. Wil- 

 liams Co, 19- Electrochem. Soc; Min. and 

 Metal. Eng; Swedish Eng. Soc. Chicago. De- 

 termination of sulphur in steel; lead in ores; 

 lead and cadmium in spelter; titanium in alloys; 



