304 



AMERICAN MEN" OF SCIENCE 



A. A; Chem. Soc; Electrochem. Soe. Chemical 

 engineering; derivatives of hydroxylamin; catal- 

 ysis; oils and fats; electrochemical synthesis; 

 electrical insulating materials. 

 Hedenburg, Dr. Oscar F(red), Mellon Institute, 

 Pittsburgh, Pa. Chemistry. Webster, Mass, 

 May, 83. A.B. Wesleyan, 09. A.M. 11; Ph.D, 

 Chicago, 15. Instr. chem, Chicago, 13-16; fel- 

 low, Mellon Inst, 16- Chem. Soc. Organic 

 chemistry. 

 Hedgcock, Dr. Geo(rge) G(rant), U. S. Depart- 

 ment of Agriculture, Washington, D. C. Phyto- 

 pathology. Augusta, 111, Oct. 5, 63. B.S, Ne- 

 braska, 99. fellow, A.:V[. 01; Ph.D, Washingron 

 (St. Louis), 06. Principal pub. schools. Oak, 

 Nebr, 91-93; Ruskin, Nebr, 93-95; asst. bot, 

 Nebraska, 99; scientific aid, bur. plant indust, 

 U. S. Dept. Agr, 01, asst. path, 02-08, pathol- 

 ogist, 08- A.A; Bot. Soc; Phytopath. Soc; 

 Wash. Bot. Soc; Wash. Biol. Soc. The relation 

 of the physiological water in the soil to that in 

 plants; Thorea; new apparatus for phytopatho- 

 logical work; proof of the identity of Phoma 

 and Phyllosticha on the sugar beet; Colleto- 

 trichum on agaves; Sclerotinia on cauliflower; 

 crown gall; stem tumors on apple and quince; 

 wood-staining fungi; mistletoe and fungous dis- 

 eases of forest trees and shrubs, especially rusts 

 attacking conifers. 



Hedges, Dr. C(harles) C Cleveland), College Sta- 

 tion, Tex. Chemistry. Walton, Ky, Sept. 22, 

 84. B.S, Kentucky, 06; A.B, Cornell, 08, Ph.D, 

 12. Asst. instr. chem, Cornell, 06-08, instr, 08- 

 12; assoc. prof, Tex. Col, 12-13, head, dept. 

 chem. and chem. eng. 13- Chem. Soc. Agri- 

 cultural chemistry; chemical engineering; analy- 

 sis of insecticides. 



Hedges, Miss Florence, IT. S. Department of Agri- 

 culture, Washington, D. C. Plant pathology. 

 Lansing, Mich, Aug. 24, 78. A.B, Michigan, 

 01. Asst. bot, Michigan, 01-02; asst. expert, 

 ?o6. plant path, iur. plant indust, U. S. Dept. 

 Agr, 02, scientific asst, 03-09, asst. pathologist, 

 09- A.A; Phytopath. Soc. Bacteriology; bac- 

 terial diseases of plants; diseases of corn, peas 

 and beans ; citrus trees. 



HedriCK, Dr. E(arle) E,{aymond), University of 

 Missouri, Columbia, Mo. * Mathematics. Union 

 City, Ind, Sept. 27, 76. A.B, Michigan, 96; 

 Shattuck scholar, Harvard, 97-98, A.M, 98, 

 Morgan fellow, 98-99, Parker fellow, 99-01: 

 Ph.D, Gottingen, 01 ; Paris, 01. Instr. math, 

 high sch, Sheboygan, Wis, 96-97; Sheflfield Sci. 

 Sch, Yale, 01-03 ; prof, Missouri, 03- Mem. div. 

 pliysical seionce, Nat. Research Council. A.A; 

 Math. Ass. fpres, 16) ; Math. Soc. (v. pres, 16) ; 

 Math. Vcrein; Soc. math, de France; Circolo 

 Mat. di Palermo. Differential equations; cal- 

 culus of variations; characteristics of differen- 

 tial equations; derivatives over assemblages; 

 functions of real variables. 



Hedrick, Dr. Henry B(enjamin), 3240 S St, 

 N. W, Washington. D. C. Mathematical astron- 

 omy. Georgetown, D. C, July 22, 65. A.B, 

 George Washington, 86; Ph.D,' Yale, 15. Asst, 

 'Nautical Almanac,' 86-00, senior asst, 00-08; 

 asst. astron, Yale, 09-18; with Carnegie Insti- 

 tution, 18-20; on technical staff, ordnance dept, 

 U.S.A, SO- A.A; Astron. Soc. Positions and 



proper motions of the stars; a fundamental 

 catalogue of 1607 zodiacal stars; new tables of 

 the moon. 



Hedrick, Prof. U(lysses) P(rentiss), Geneva, N. 

 Y. Hortiettlture. Cedar Rapids, Iowa, Jan. 

 15, 70. B.S, Mich. Agr. Col, 93, M.S, 95; Sc.D, 

 Hobart, 13. Asst. hort, Mich. Agr. Col, 93-95; 

 horticulturist and botanist, Oregon Col, 95-97; 

 Utah Col, 97-99; horticulturist, Mich. Agr. Col, 

 99-05; N. Y. Exp. Sta, Geneva, 05- A.A; Soc. 

 Hort. Sci; Pomol. Soc; Soc. Prom. Agr. Sei. 

 Pomology; tree and small fruit breeding. 



Heflferan, Dr. Mary, University of Chicago, Chi- 

 cago, 111. Bacteriology. Eastmanville, Mich, 

 June 24, 73. A.B, Wellesley. 96, A.M, 98; fel- 

 low, Chicago, 99-02, Ph.D, 03. Curator, bacter. 

 museum, Chicago, 03-04, asst. and curator, 04- , 

 Variation; grafting (zoology); red chromogenic 

 organisms; agglutinative relations in a group 

 of non-pathogenic organisms ; B. bulgaricus ; 

 an unusual bacterial grouping ; Anopheles in 

 Michigan. 



Hegner, Dr. R(obert) W(imam), 218 Hawthorn 

 Road, Roland Park, Md. *Zoology. Decorah, 

 Iowa, Feb. 15, 80. B.S, Chicago,' 03, M.S, 04; 

 Ph.D, Wisconsin, 08. Asst. zool, Chicago, 0.5- 

 07 ; prof, biol. State Nor. Sch, River Falls, Wis, \ 

 07 ; asst. zool, Wisconsin, 07-08 ; instr, Mich- 

 igan, 08-10, asst. prof, 10-18; assoc, HopTcins,' 

 18-19, assoc. prof, in charge, dept. med. sool, 

 20- Collector in Mexico with Prof. W. L. 

 Tower, 03 ; Hopkins delegate. Royal Inst. Pub. 

 Health, Brussels, 20. A.A; Soc. N^'at; Soc. Zool, 

 The germ cell cycle in insects; cytoplasmic lo- 

 calization in insect eggs; genetics of Protozoa; 

 parasitic Protozoa. 



Heidelberger, Dr. Michael, Rockefeller Institute, 

 New York, N. Y. Chemistry. New York, April 

 29, 88. B.S, Columbia, 08, A.M, 09, Ph.D, 11; 

 Eidgen. Tech. Hochschule, Zurich, 11-12. Fel- 

 low, Eocl'efeUer Inst, 12-13, asst. chem, 13-17, 

 assoc, 17- Asst. chem, Stevens, supplementary 

 term, 09; Columbia, summers, 09, 11. Cliem. Soe. 

 Organic chemistry; sodium-uranium compounds; 

 volumetric determination of cerium; phthalones 

 in the quinazolone series; cyclooctatetraene ; 

 chemotherapy. 



Heilbrunn, Dr. L(ewis) V(ictor), University of 

 Michigan, Ann Arbor, Mich. Zooloqv. Brook- 

 lyn, N. Y. Jan. 24, 92. A.B, Cornelf, 11, fellow, 

 12-13; Ph.D, Chicago, 14. Asst. zool, Chicago, 

 13-14, assoc, 14-16; instr. histol, col. med, Illi- 

 nois, 16-17; lieut, air service, A.E.F, 17-19: 

 instr. sool, Michigan, 19- A.A ; Soc. Zool. Arti- 

 ficial parthenogenesis; mitosis; anesthesia. 



Heilman, Prof. J(acob) D(aniel), State Teachers 

 College, Greeley, Colo. Psychology. Lehigh Co, 

 Pa, Sept. 6, 75. A.B, Muhlenberg, 03; fellow, 

 Penn.sylvania, 06, Ph.D, 08. Asst, psychol. clinic, 

 and lecturer child .study. Pennsylvania, 07 ; as-st. 

 prof. educ. psychol, Colo. State Teachers Col, 

 08-10, prof, 10- Educational psychology; per- 

 sonnel; native capacity. 



Heimberger, Prof. H(arry) V(irl), Fennville, 

 Mich. Bioloqy. Howard Citv, Kans, March 31, 

 SO. A.B, DePauw, 11; A.M, Illinois, 15. Instr. 

 biol, DePauw, 11-13; asst. zool, Illinois. 13-16: 

 instr. and later asst. prof. biol. Hamline, 16; 



