AMERICAN MEN OF SCIENCE 



541 



Minden, Nebr, 11-14 ; astron. and physics, Wash- 

 burn, 14-15, astron, 15-18; asst, Yerkes Obser- 

 vatory, 18-20; Mt. Wilson Observatory, Carnegie 

 Institution, 20- Mem. Washburn eclipse exped. 

 to Matheson, Colo, 18. Astron. Soc; Pacific 

 Astron. Soc. Astronomy; solar physics; double 

 stars. 

 Pettit, Dr. Haimah Steele, Mt. Wilson Observa- 

 tory, Pasadena, Calif. Astronomy. Coatesville, 

 Pa, Nov. 6, 86. A.B, Swarthmore, 09, A.M, 12 ; 

 Ph.D, Chicago, 19. Observer, Sproul Observa- 

 tory, 12-16; asst, Yerkes Observatory, 16-20; 

 Mt. Wilson Observatory, Carncpie Institution, 20- 

 Mem. Yerkes Observatory and Washburn Col. 

 solar eclipse exped. to Matheson, Colo, 18. A. A; 

 Astron. Soc. Astrophysics; stellar parallax; 

 eclipse observations. 



Pettit, Prof. E.(ufus) H(irain), E. Lansing, Mich. 

 Entomology. Baldwinsville, N. Y, Jan. 11, 69. 

 B.S, Cornell, 95. Asst. state entomologist, 

 Minn, 95-97; prof, entom, Mich. Agr. Col, and 

 entomologist, Exp. Sta, 97- A. A; Ass. Econ. 

 Entom; Entom. Soc; Mich. Acad. Economic 

 entomology; Coccidae. 



Pfafif, Dr. Franz, 375 Commonwealth Ave, Boston, 



Mass. * Pharmacology, Therapeutics. Graf enort, 

 Silesia, March 16, 60. Ph.D, Ziirieh; M.D, 

 Strasburg; L.S.A, London. Instr. physiol, 

 Harvard, 94-95, pharmacol, 95-00, j)hysiol. 

 chem, 98-00, asst. prof, pharmacol. and thera- 

 peut, 00-05, prof, 05-16; consulting physician. 

 Physiol. Soc; Am. Physicians; Therapeut. Soc; 

 Soc. Exp. Biol. 



Pfeiflfer, Dr. G(eorge) A (dam), 56 Anderson Ave, 

 Palisade, N. J. Mathematics. New York, N. 

 Y, July 16, 89. M.E, Stevens, 10; Ph.D. Co- 

 lumbia, 14. Instr. math, Col. City of N. Y, 14- 

 15; Harvard, 15-16; Princeton, 16-18; CoJum- 

 "bia, 19~ Assoc, ed, 'Annals of Math.' Math. 

 Soc. Conformal mapping; functional equations. 



Pfeiffer, Dr. J(ohn) Arthur F(ranklin), 1421 Ed- 

 mondson Ave, Baltimore, Md. Pathology. Wil- 

 mington, Del, June 27, 83. M.D, Maryland, 08; 

 A.M, Goorgo Washington, 10, Ph.D, IS. Physi- 

 cian and pathologist, City Hosp, Baltimore, 09- 

 10; physician, Springfield State Hosp, Sykes- 

 ville, Md, 10-11; asst, Munich and Frankfurt, 

 11-13 ; senior physician and director, path, lab, 

 St. Elizabeth's Hosp, Washington, D. C, 11-18; 

 lecturer path, med. officers training sch, U.S. A, 

 18. Lecturer path, George Washington, 14. 

 Ass. Path, and Baet; Soe. Exp. Biol; Ass. Anat. 

 Bacteriology; chronic chorea ; pernicious anemia; 

 Landry's paralysis; choroid plexus; lenticular 

 degeneration; spinal fluid; Treponema pal- 

 lidum; hereditary ataxia. 



Pfeiffer, Dr. Norma E(tta), University of North 

 Dakota, University, N. Dak. Botany. Chicago, 

 111, Jan. 13, 89. B.S, Chicago, 09, fellow, 10- 

 12, Ph.D, 13. Instr. and later asst. prof, bot, 

 North Dakota, 1S~ A.A; Bot. Soc. Fern pro- 

 thallia ; Isoetes. 



Pfister, Prof. Jos(eph) C(lement), 240 Sixth Ave, 

 Newark, N. J. Mechanics, Mathematical phys- 

 ics. Newark, March 10, 67. A.B, Columbia, 89, 

 fellow, 89-92, A.M, 90. Asst. math, and astron, 

 Columbia, 89-90, tutor higher math, and astron, 

 90-93, mech, 93-01, instr, 01-05, adj. prof, 05- 



11. A.A; Math. Soc; fel. N. Y. Acad. Bibli- ^ 

 ography of mechanics. 

 Pfund, Prof. A(ugust) H(emian), Box 496, Johns 

 Hopkins University, Baltimore, Md. *Physics. 

 Madison, Wis, Dec. 28, 79. B.S, Wisconsin, 01 ; 

 fellow, Hopkins, 05-06, Ph.D, 06. Carnegie 

 research asst, RopTcins, 03-05, asst. physics, 06- 

 07, Johnston scholar, 07-09, assoc, 09-10, assoc. 

 prof, 10- Physical Soc; Optical Soc. Light 

 and radiant heat; the wave lengths of standard 

 iron lines; the electrical and optical properties 

 ^ of selenium; colorimetry. 



Phalen, Dr. W(illiam) C(litcon), Solvay Process 

 Co, Svracuse, N. Y. Geology. Gloucester, Mass, 

 Feb. i, 77. B.S, Mass. Inst. Tech, 99, M.S, 02; 

 Ph.D, George Washington, 09. Prof. chem. and 

 geol, N. Mex. Sch. Mines, 99-01; asst. chem. 

 and physical geol, U. S. Nat. Museum, 02-04; 

 geol. aid, U. S. Geol. Surv, 04-07, asst. geol- 

 ogist and later geologist, 07-16; mineral tech- 

 nologist, U. S. Bur. Mines, 16-20; geologist, 

 Solvay Process Co, SO- Geol. Soc; Min. and 

 Metal. Eng; Wash. Geol. Soc. Stratigraphy; 

 petrography; rocks of Greenland and Virginia; 

 origin of certain iron ores of northeastern Ken- 

 tucky; coal and clay resources of northeastern 

 Kentucky and of the Kenova quadrangle; iron 

 ores, barite and graphite deposits of Georgia; 

 areal and economic geology of Ellijay quad- 

 rangle, Georgia, North Carolina and Tennessee; 

 mineral resources of the United States; technol- 

 ogy of salt mining; the geology and mineral re- 

 sources of Johnstown, Pennsylvania, and vicin- 

 ity; salt deposits in the United States. 



Phelan, Prof. J(oseph) W(arren), Massachusetts 

 Institute of Technology, Cambridge, Mass. Chem- 

 istry. Boston, Mass, April 30. 71. B.S, Mass. 

 Inst. Tech, 94. Instr. chem, Mass. Inst. Tech, 

 94-14, asst. prof, and later prof, 14- Chem. 

 Soc. Leather chemistry; manufacture of cerium 

 and alloys. 



Phelps, Prof. Earle B(emard), 46 Phelps Road, 

 Ridgewood, N. J. Chemistry. Galesburg, 111, 

 July 10, 76. B.S, Mass. Inst. Tech, 99. Asst. 

 bacteriologist, Lawrence Exp. Sta, Mass. Board 

 of Health, 99-03 ; chemist and bacteriologist, 

 sanit. research lab, Mass. Inst. Tech, 03-13, asst. 

 prof. chem. biol, 05-13, assoc. prof, 13 ; prof, 

 chem, hygienic lab, U. S. Pub. Health Service, 

 13-19; private research, 19- Asst. hydrogra- 

 pher, U. S. Geol. Surv, 05-10; special expert, U. 

 S. Census Bur, 10; consulting sanit. engineer, 

 Int. Joint Commission; mem. committee on sew- 

 age disposal, Nat. Research Council; N. Y. State 

 Ventilation Commission. A.A; Soc. Bact; 

 Chem. Soc; Pub. Health Ass; Civil Eng; Water 

 Works Ass. Sanitary chemistry; disinfection; 

 reaeration of water; ventilation; preservation of 

 food. 



Phelps, Dr. Isaac King, Bureau of Clicmistry, 

 Washington, D. C. *Chcmistry. Enfield, Conn, 

 Fob. 16, 72. A.B, Yale, 94, Silliman fellow, 

 94-97, Ph.D. 97; Thayer scholar. Harvard, 97- 

 98; Heidelberg, 02. Asst. chem, Yale, 95-97, 

 98-99, instr, 99-08; asst. prof, George Wash- 

 ington, 09-10; asst. chemist, bur. chem, U. S. 

 Dept. Agr, 10-12; org. chemist, U. S. Bur. 

 Jlines, 12-13; chemist in charge org. chem. in- 

 vestigations, bur. chem, U. S. Dept. Agr, 13-16, 



