546 



AMERICAN MEN OF SCIENCE 



Swarthmore, 13-18, asst. prof, 18- Astron. Soc. 

 Stellar parallax. 



Pittier, Prof. H(enri Frangois), Caracas, Vene- 

 zuela. South America. Botany, Ethnography. 

 Bex, Switzerland, Aug. 13, 57. A.B, Lausanne, 

 75, B.S, A.M, 76; C.E, Swiss Polytech, 80; 

 Jena, 80-81. Swiss Topog. Surv, 81-82; prof, 

 nat. hist, Inst. Henchoz, 82-85; phj'sical geog, 

 Lausanne, 85-87; director, Geog. and Nat. 

 Hist. Surv, Costa Rica, 87-04; expert. United 

 Fruit Co, 04-05; bionomic investigator, U. S. 

 Dept. Agr, 05-19. A. A; Anthrop. Ass; Ass. 

 Geog; Wash. Anthrop. Soc; Wash. Biol. Soc; 

 hon. cor. mem. Royal Geog. Soc. and Royal 

 Scottish Geog. Soc; hon. mem. Soc. des Sei. 

 Nat; Zurich Geog. Gesell; Soc. Cient. Ant. Alz; 

 Acad. Cienc. y Let. de San Salvador; Soc. 

 Geog. de Madrid; Soc. Helvetique des Sci. Nat; 

 Soc. Suisse de Bot; Berlin Gesell. Anthrop. und 

 Ethnog; Soc. Beige de Bot. Geography, climate 

 and native tribes of Costa Rica; flora of Central 

 America and Colombia ; economic plants of trop- 

 ical America ; Indians of Colombia ; flora of 

 Central and South America; languages of Costa 

 Rican Indians. 



Plant, Prof. L(ouls) C(lark), Michigan Agricul- 

 tural College, East Lansing, Mich. Mathemat- 

 ics. Nunica, Mich, Nov. 24, 70. Ph.B, Michi- 

 gan, 97; Chicago, 97-98, M.S, 04. Asst. math, 

 Bradley Polytech, 98-00, assoc, 00-04, instr, 04- 

 07; assoc. prof, Montana, 07-08, prof, 08-13; 

 Mich. Agr. Col, IS- A.A; Math. Soc; Eng. 

 Educ ; Math. Ass. Geometrical applications of 

 .Tacobi's functions; optical transformations; in- 

 troductory mathematical analysis; agricultural 

 mathematics. 



Plaskett, Dr. J(ohn) S(tanley), Dominion Astro- 

 physical Observatory, Victoria, B. C. Astronomy, 

 Astrophysics. Near Woodstock, Ont, Nov. 17, 

 65, Woodstock Col. Inst, 78-80; B.A, Toronto, 

 99; Sc.D, Pittsburgh, 13. Asst. physics, To- 

 ronto, 90-03; astronomer, Dept. Interior, Can, 

 05-17; director. Dominion Astrophysical Ob- 

 servatory, 17- Lecturer, Toronto, 01; in charge 

 observational work. Can. eclipse exped. to Labra- 

 dor, 05. Pel. Royal Soc. Can ; fel. Royal Astron. 

 Soc. Can. (past pres) ;fel. Royal Astron. Soc. 

 Orbits of spectroscopic binary stars; optical 

 properties of the telescope and spectrograph; 

 orthochromatic and color photography; radial 

 velocities of stars. 



Piatt, Dr. Charles, Roberts Road, Ardmore, Pa. 

 Physioloqical chemistry. Montclair, N. J, March 

 16, 69. B.S, Lehigh, 90; Ph.D, Ohio (Athens), 

 92; M.D, Hahnemann Med. Col, Phila, 00; Hop- 

 kins, 93-94; Edinburgh, Paris, London, 94-00. 

 Chemist with Thomas A. Edison, 90-91; prof, 

 chem. and toxicol, Hahnemann Med. Col, Phila, 

 94-09, emer. prof, 09-; practising physician, 09- 

 A.A; fel. London Chem. Soc; hon. fel. London 

 Soc. Biol. Chem. 



Piatt, Dr. Julia B(arlow), 105 Grand Ave, Pacific 

 Grove, C.-ilif. Anatomy. San Francisco, Calif, 

 Sept. 14, 57. Ph.B, Vermont, 81; Ph.D, Frei- 

 burg, 97. Anat. Gesell. Morpholog}'; origin of 

 the nerves and head segments. 



Plant, Dr. Edward, 630 Park Ave, New York, N. 

 y. Chemistry. New York, Nov. 9, 91. A.B, 

 Princeton, 12; A.M, Columbia, 13, Ph.D, 16. 



Plimpton, Dr. S(amuel) J (ames), Worcester Poly- 

 technic Institute, Worcester, Mass. Physics. 

 Hartford, Conn, March 9, 83. E.E, Yale, 08, 

 Ph.D, 12. Student engineer, Gen. Eleo. Co, 08- 

 09; instr. physics, Yale, 12-13; Hopkins, 13-14; 

 Worcester, 14-20, asst. prof, 20- Assoc. Physical 

 Soc. Conduction of electricity through gases. 



Plitt, Prof. Charles C(hristian), 3933 Lowndes 

 Ave, Baltimore, Md. Botany. Baltimore, May 

 6, 69. Baltimore City Col, 81; Ph.G, Maryland, 

 91. Teacher hot, Baltimore City Col, 04- ; assoc. 

 bot. and mat. med. and prof. veg. histol, Mary- 

 land, 07-20, hot. and mat. med, 20- A.A; Bot. 

 Soc; Sullivant Moss Soc; Fern Soc; Md. Acad, 

 (chairman, bot. sect). Microscopic investiga- 

 tion of drugs; lichens. 



Plotz, Dr. Harry, 616 Bedford Ave, Brooklyn, N, 

 Y. Medicine. Paterson, N. J, April 17, 90. 

 M.D, Columbia, 13. Pathologist, Mt. Sinai 

 Hosp, 13-17. Lieut, col, M.R.C; mem. Red 

 Cross Commission to Serbia; adviser to Bul- 

 garian Govt, on control of typhus fever. Deco- 

 rations, Serbian and Bulgarian Governments. 

 Ass. Path, and Bact; Soc. Exp. Biol; Ass; Im- 

 munol; Harvey Soc. TjT)hus fever; relapsing 

 fever; control of vermin infestation. 



Plough, Prof. Harold H(enry), Amherst College, 

 Amherst, Mass. Biology. New York, N. Y, 

 April 5, 92. A.B, Amherst, 13; A.M, Columbia, 

 15, fellow, 16-17, Ph.D, 17. Instr. biol, Am 

 herst, 17-19, assoc. prof, 19- A.A; Ecol. Soc; 

 Micros. Soc; Soc. Bact; Pub. Health Ass. 

 Genetics. 



Plowman, Dr. Amon B(enton), 346 Crown St, 

 Akron, Ohio. Botany. Greenville, Ohio, May 

 14, 73. B.S, Ohio Wesleyan, 99; A.M, Ph.D, 

 Har^'ard, 05. Prof. nat. science, Kans. State 

 Nor. Sch, 05-06; biol, Beaver, 06-09; Carroll, 

 09-15; Akron, 15- Director pub. health educ, 

 Akron, Ohio. A.A; Bot. Soc; Pub. Health Ass; 

 Ohio Acad. Plant physiology and morphology ; 

 forestry; anatomy of the Cyperaceae and Junca- 

 ceae ; biology applied to health education. 



Plum, Dr. H(arley) M(artin), Standard Chemical 

 Co, Pittsburgh, Pa. Chemistry. Ashville, Ohio. 

 A.B, Ohio State, 02, A.M, 09; Ph.D, Chicago, 14. 

 Teacher chem, high sch, Colorado Springs, Colo, 

 02-07; Cent. High Sch, Columbus, Ohio, 07-10; 

 East. Tech. High Sch, Cleveland. 10-12; assoc. 

 prof. agr. chem, Nebraska, 13-16; prof, 16-18; 

 research chemist, Standard Chem. Co, 16-, asst. 

 pres, 18- A.A; Chem. Soc. Radio-active con- 

 stituents of carnotite; toxicity in soils. 



Plumb, Prof. C(harles) S(iunner), Ohio State Uni- 

 versity, Columbus, Ohio. Animal husbandry. 

 Westfield, Mass, April 21, 60. B.S, Mass. Col. 

 82. Asst. ed, 'Rural New Yorker,' 83-84; first 

 asst, N. Y. Exp. Sta, Geneva, 83-87; prof, agr, 

 Tennessee, and asst. director, Tenn. Exp. Sta. 

 87-90; prof, animal husliandrj- and dairying, 

 Purdue, and director, Ind. Exp. Sta. 91-02; 

 prof, animal Imsbandry, Ohio State, 02- Soc. 

 Animal Production; Soc. Prom. Agr. Sci. Re- 

 lationship of animal form to function; animal 

 fibers and tlieir uses; breed evolution. 



Plummer, F(rederik) B(yron), Bataafsche Pe- 

 troleum Co, The Hague, Holland. Geology. 

 Hanover, N. H, Aug. 31, 86. B.S, Dartmouth, 



