AMERICAN MEN OF SCIENCE 



539 



schists, associated granites and porphyries of 

 Rhode Island; greology and physical geo^aphy 

 of Worcester, Massachusetts. 



Perry, Prof. Ralph Barton, 138 Irving St, Cam- 

 bridge, Mass. Philosophy. Poultney, Vt, July 

 3, 76. A.B, Princeton, 96; A.M, Harvard, 97, 

 Ph.D, 99. Instr. philos, Williams, 99-00 ; Smith, 

 00-02; Harvard, 02-05, asst. prof, 05-12, prof, 

 12- Philos. Ass. (pres, 20). Introduction to 

 philosophy; ethics; episteniology ; contemporary 

 philosophy; philosophy of William James. 



Pershing, Dr. Howell T(erry), 1169 Race St, Den- 

 ver, Colo. Medicine. Johnstown, Pa, March 18, 

 58. Ph.B, Lafayette, 78, M.S. 81, LL.D, 08; 

 M.D, Pennsylvania, 83. Teacher math, and nat. 

 sciences, Wilkesbarre Acad, 78-80; science mas- 

 ter, Lawrenceville Sch, N. J, 84-89; prof, nerv- 

 ous and mental diseases, Gross Med. Col, 90-92 ; 

 Denver, 92-10; neur. and psychiat, Colorado, 11- 

 A.A; Am. Med. Ass. (chairman, sect, nervous 

 and mental diseases, 04r-13) ; Neur. Ass. Nerv- 

 ous and mental diseases; disorders of speech; 

 optic atrophy and neuritis; pelvic measure- 

 ments. 



Peter, Alfred M(eredith), Agricultural Experi 

 ment Station, Lexington, 'Ky. Chemistry. Lex 

 ington, May 25, 57. B.S, 'Kentucky, 80, M.S 

 85, ScD, 13. Asst. chemist, Ky. Geol. Surr, 78- 

 86; asst. chemist and later chemist, Ky. Exp 

 Sta, 86-, acting director, 12, 15, 16-18; Ky 

 Geol. Surv, 04r-12. Adj. prof, chem, Transylva 

 nia, 78; chem. and nat. hist, Kentucky, 80; re 

 porter on soils and ash, Agr. Chem, 94-95 ; mem 

 Ky. State Board Agr; Ky. State Live-Stock 

 Sanit. Board. A.A; Chem. Soc; Soc. Chem. In 

 dust; Ky. Acad, (sec'y, 16-); Chem. Gesell 

 Agricultural analysis; soils; composition of 

 Kentucky forage plants and mineral waters. 



Peter, Dr. Luther C, 1529 Spruce St, Philadel- 

 phia, Pa. Ophthalmology. St. Clairesville, Pa, 

 Feb. 14, 69. A.B, Pennsylvania Col, 91, A.M, 

 94; M.D, Pennsylvania, 94. Prof, diseases 

 of the eye. Temple, 17-19 ; ophthal, Pennsylva- 

 nia, 19- Acad. Ophthal. and Oto-Larvngol. 

 (sec'y, 18, 19); Col. Surg; Phila. Col. Physi- 

 cians. Perimetry. 



Peters, Dr. Amos W(illiam), College of Medicine 

 University of Nebraska, Omaha, Nebr. Physiol 

 ogy, Biochemistry. Delphos, Ohio, Aug. 10, 71 

 B.L, Western Reserve, 97; A.M. Harvard, 01 

 Austin teaching fellow, 02-03, Ph.D, 03, Har 

 vard Med. Sch, 09-10, Austin teaching fellow 

 10-11. Instr. chem. and biol. high sch, Warren 

 Ohio, 97-00; zool, Illinois, 03-07, assoc, 07-09 

 with nutrition lab, Carnegie Institution, 10-12 

 biochemist, N. J. Training Sch. for Feeble 

 Minded Boys and Girls, 12-15; prof, biochem 

 Nebraska, 16- Asst. zool, Harvard, 01-03 

 A.A; Soc. Zool; Physiol. Soc; Chem. Soc; Soc 

 Biol. Chem. ProtoEoa; physiology of the cell, 

 enzymes of liver and muscle; chemical pathology, 



Peters, Prof. C(harles) A (dams), Sunset Place 

 Amherst, Mass. Chemistry. Worcester, Mass 

 June 29, 75. B.S, Mass. Col, 97; Ph.D, Yale 

 01; Berlin, 08. Prof, chem, Idaho, 01-09 

 exchange teacher, Oberrcalschule, Berlin, 09-10 

 prof, inorg. and soil chem, Mass. Col, 11- A.A 

 Chem. Soc. Analytical chemistry; insecticides. 



Peters, Chauncey G, Bureau of Standards, Wat^h- 

 ington, D. C. Physics. Emerald, Wis, Feb. 6, 

 87. A.B, Ripon, 11; Wisconsin, 12. Assoc, 

 physicist, Bur. Standards, 13- A.A; Physical 

 Soc; Optical Soc; Wash. Philos. Soc. Inter- 

 ferometry; dimensional changes of materials; 

 index of refraction; length standards; thermal 

 expansion. 



Peters, Dr. Fredus N(elson), 3447 S. Flower St, 

 Los Angeles, Calif. Chemistry. Epworth, Iowa, 

 Jan. 26, 64. A.B, Missouri, 87, A.M, 90; Chi- 

 cago, 98, 01, 02; Ph.D, 111. Wesleyan, 03. Prin- 

 cipal, high sch, Mexico, Mo, 87-89; Nevada, 

 Mo, 90-92; supt. schools, Carrollton, Mo, 92- 

 95; instr. chem. Cent. High Sch, Kansas Citv, 

 Mo, V. principal. A.A; Chem. Soc: Fed- 

 eration Teachers Math, and Nat. Sci; Central 

 Ass. Sci, and Math. Teachers (chairman, chem. 

 sect, 08) ; Mo. Ass. Math, and Sci. Teachers 

 (pres, 09). Acetylene; migration of ions; ioni- 

 zation; modern chemistry; applied chemistry. 



Peters, G(eorge) H(enry), U. S. Naval Observa- 

 tory, Washington, D. C. Astronomy. Hart- 

 ford, Conn, Nov, 25, 63. High sch. and special 

 study in astron, physics and optics. Asst. as- 

 tronomer, U. S. Naval Observatory. A.A; 

 Astron. Soc; Optical Soc. Solar eclipses; spec- 

 troscopy; sun-spot record; solar corona; photo- 

 graphic observations of minor planets; proper- 

 ties of lenses and optical construction. 



Peters, William J(ohn), 3931 Morrison St, Chevy 

 Cliase, Md. Terrestrial magnetism. Oakland, 

 Calif, 63. High sch. Mem. various expeditions, 

 U. S. Geol. Surv; Ziegler polar exped; magnetic 

 surv. Pacific Ocean. A.A; Wash, Philos. Soc. 



Petersen, Max (Helnrich), University of Wiscon- 

 sin, Madison, Wis. Physics. Dundee, 111, 90. 

 B.S, Northwestern, 13, A.M, 14. Asst. physics, 

 Wisconsin, 14-17, iTistr, 17- Interim solar ob- 

 server, Yerkes Observatory. Physical Soc; 

 Astron. Soc. 



Petersen, Dr, William F(erdinand), 31 E. Elm St, 

 Chicago, 111. Pathology. Chicago, March 25,' 

 87. B.S, Chicago, 09, M.D, Rush Med. Col, 12; 

 Harvard; Columbia, Asst, prof, path, and exp. 

 med, Vanderbilt, 14-17; assoc. path, Illinois, 

 19^ With U.S. A, 18-19, Soc. Exp. Biol; Soc. 

 Clin. Invest; Am, Med. Ass. Enzymes; pella- 

 gra; tuberculosis. 



Peterson, Prof. Alvah, Rutgers College, New 

 Brunswick, N, J. Entomology. Galesburg, 111, 

 Sept. 13, 88. B.S, Knox, 11; A.M, Illinois, 13, 

 Ph.D, 16. Asst. prof . entom, Erttgcrs, 16- A.A; 

 Entom. Soc ; Ass. Econ. Entom. Economic en- 

 tomology ; morphology. 



Peterson, Pres. E(lmer) G(eorge), Agricultural 

 College of Utah, Logan, Utah. Bacteriolopy. 

 Plain City, UtaTi, Aug. 26, 82. B.S, Utah Col, 

 04; Chicago, 06; A.M, Cornell, 09, Ph.D, 11. 

 Instr. bacter, Cornell, 09-10, asst. prof, 10; 

 prof, Oregon Col, and bacteriologist, Exp. Sta, 

 10-11; prof, bacter, Utah Col, 11-12, bacteriolo- 

 gist and director exten. div, 12-16, pres, 16- 

 A.A; Soc. Bact. Soil and pathogenic bacteriol- 

 og.r. 



Peterson, Dr, Frederick, 20 W, 50th St, New 

 York, N, Y. Nervous and mental diseases. 

 Faribault, Minn, March 1, 59. M.D, Buffalo, 



