142 



AMERICAN MEN OF SCIENCE 



Hedrick, Henry B(enjamin), 3240 S St, N. W, 

 Washington, D. C. Mathematical astronomy. 

 Georgetown, D. C, July 22, 65. A.B, Colum- 

 bian, 86. Asst, ' Nautical Almanac,' 86-00, 

 senior asst, 00- F.A.A; Nat. Geog. Soc. Po- 

 sitions and proper motions of the stars; a 

 fundamental catalogue of 1607 zodiacal stars. 

 Theory and tables of nutation based on the 

 constants of the Paris Conference of 1896. 



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

 cago, Ills. Bacteriology. Eastmanville, Mich, 

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

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

 Bacter. Mus, Chicago, 03-04, asst. and curator, 

 OJf- M.A.A. Variation; grafting (zoology); 

 red chromogenic organisms. Agglutinative re- 

 lations in a group of non-pathogenic organisms; 

 proteolytic enzymes in the prodigiosus group; 

 anopheles in Michigan. 



Heilprin, Prof. Angelo, Academy of Natural Sci- 

 ences, Philadelphia, Pa. *Geology, Geography. 

 Satoralja-Ujhely, Hungary, March 31, 53. Lon- 

 don, 76-77; Geneva, 77-78. Prof, paleont, 

 later geol, Acad. Nat. Sciences, Phila, 81-, 

 curator, 83-92. Prof, geol, Wagner Free Inst. 

 of Science, Phila, 85-90; lecturer physical geog, 

 Sheffield Sci. Sch, Yale, 04-05. Longstreth 

 medal, Franklin Inst, 96; Elisha Kent Kane 

 medal, Phila. Geog. Soc, 03 ; Officier de l'Acad, 

 05. F.A.A; Soc. Nat; Geol. Soc; Geog. Ass; 

 Philos. Soc; Am. Alpine Club (v. pres, 03) ; 

 Phila. Geog. Soc. (pres, 92-96, 02-04). Geol- 

 ogy; geography. 



Heisler, Dr. John Clement, 3829 W T alnut St, Phila- 

 delphia, Pa. Anatomy, Embryology. Jersey 

 Shore, Pa, Feb. 27, 62. Ph.G, Phila. Col. Phar- 

 macy, 83 ; M.D, Pennsylvania, 87. Prosector 

 anat, Pennsylvania, 89-97; prof, Phila. Medico- 

 Chirurg. Col, 97- Instr. diseases of chest, 

 Phila. Polyclinic; asst. demonstrator anat. and 

 curator, Wistar and Horner Mus, Pennsylvania, 

 different periods, 89-97. Ass. Anat ; Am. Med. 

 Ass; Pa. Med. Soc; fel. Phila. Col. Physicians; 

 Phila. Co. Med. Soc. Anatomy; embryology. 



Hektoen, Dr. L(udvig), 5803 Washington Ave, 

 Chicago, Ills. *Pathology. Westby, Wis, Julv 

 2, 63. A.B, Luther, 83; M.D, Col. Physicians 

 and Surg, Chicago, 87; Berlin, Prague and 

 Upsala, 94-96. Prof, path, Rush Med. Col, 95-, 

 Chicago, 00-; director, Mem. Inst, for Infectious 

 Diseases, 01- Pathologist, Cook Co. Hosp, 89- 

 03; coroner's physician, Cook Co, Ills, 90-94; 

 lecturer path, Rush Med. Col, 90-92; prof, path, 

 Col. Physicians and Surg, Chicago, 92-94; ed, 

 ' Jour, of Infectious Diseases,' 04- Hon. A.M, 

 Luther, 02. Soc. Nat; Ass. Path, and Bact. 

 ( pres, 02-03 ) ; Am. Physicians ; Soc. Bact ; 

 Soc. Exp. Biol, and Med; Am. Med. Ass; Chi- 

 cago Path. Soc. (pres, 89, 00-02). Pathological 

 anatomy and bacteriology. Scarlet fever. 



Heller, A(mos) A(rthur), Los Gatos, Gal. Botany. 

 Danville, Pa, March 21, 67. A.B, Franklin and 

 Marshall, 92, A.M, 97. Field agent, U. S. Dept. 

 Agr, 92 ; instr. bot, Minnesota, 96-98 ; in charge, 

 Vanderbilt Exped. of N. Y. Bot. Garden, Puerto 



Rico, 98-99; asst, Dept. Bot, Cal. Acad. Sci- 

 ences, 05- Torrey Bot. Club; Lancaster (Pa.). 

 Linnean Soc. Systematic botany. California 

 flora, especially the genus Lupinus. 



Hemmeter, Prof. John C(olm), 1734 Linden Ave, 

 Baltimore, Md. Medicine. Baltimore, April 

 25, 64. Gymnasium, Wiesbaden, 74-79; Balti- 

 more City Col, 82; M.D, Maryland, 84; Ph.D, 

 Hopkins, 90. Physician in charge, Bay View 

 Asylum, Baltimore, 86-88; prof, physiol, clin. 

 prof. med. and director, Clin. Lab, Med. Dept, 

 Maryland, 03- Assoc, ed, ' Archiv fur Ver- 

 dauungs Krankheiten.' LL.D, St. John's 

 (Md.), 05. Gastro-Enterol. Ass. (pres.); hon. 

 mem. Tri-State Med. Soc; all medical societies 

 of Baltimore and Maryland. Physiology and 

 pathology of the digestive organs. Malignant 

 tumors of the digestive tract; tuberculosis of 

 the human intestine; significance of ionic 

 hypothesis for intestinal absorption. 



Henchman, Miss Annie P(arker), 8 Frisbie Place, 

 Cambridge, Mass. Zoology, Embryology, His- 

 tology. Jamaica Plain, March 22, 52. Rad- 

 cliffe, 84-90. Teacher; substitute asst. in Dr. 

 Mark's Lab. Soc. Nat; Soc. Zool. Nervous 

 system of Limax maximus. 



Henderson, Prof. Archibald, Box 93, Chapel Hill, 

 N. C. Mathematics. Salisbury, N. C, June 17, 

 77. A.B, North Carolina, 98, A.M, 99, Ph.D, 

 01; Summer Sch, Chicago, 01, fellow, 02-03. 

 Instr. math, North Carolina, 98-02, assoc. prof, 

 02- Twenty-seven lines upon a cubic surface. 

 Solid analytic geometry. 



Henderson, Dr. C(harles) Hanford, Chesham, N. H. 

 Geology, Education. Philadelphia, Pa, Dec. 

 30, 61. B.S, Pennsylvania, 82; Ph.D, Ziirich, 

 92; Harvard, 97-98. Science teacher, Manual 

 Training High Sch, Phila, 86-91; head master, 

 N.E. Manual Training High Sch, Phila, 92-96; 

 Chestnut Hill Acad, 96-97; lecturer, Harvard, 

 97-98; director, High Sch, Pratt Inst, 98-00. 

 University extension lecturer; lecturer, Frank- 

 lin Inst; dept. ed, 'Scientific Am,' 95-96; head 

 master, Marienfeld. Summer Camp, 96-02. Edu- 

 cation; practical geology. 



Henderson, Prof. E(rnest) N(orton), 391 Lafayette 

 Ave, Brooklyn, N. Y. Psychology. La Salle 

 Co, Ills, Dec. 17, 69. Ph.B, California, 90, A.B, 

 93, A.M, 94; Ph.D, Columbia, 03. Teaching 

 fellow in philos, California, 92-95; principal, 

 High Sch, Woodland, Cal, 95-97; instr. psychol, 

 State Nor. Sch, Chico, Cal, 97-01 ; assoc. prof, 

 pedag, Adelphi, 02-03, prof. educ. and psychol, 

 OS- Memory for connected trains of thought. 



Henderson, Prof. W(illiam) E(dwards), 182 W. 

 Tenth Ave, Columbus, O. Chemistry. Wilkins- 

 burgh, Pa, Jan. 29, 70. A.B, Wooster, 91, A.M, 

 94; fellow, Hopkins, 96-97, Ph.D, 97. Prof. 

 chem, Ohio (Athens), 97-99; asst. prof, Ohio 

 State, 99-01, assoc. prof, 01- F.A.A; Chem. 

 Soc; Chem. Gesell. Chlorids of p-nitroortho- 

 sulphobenzoic acid; decomposition of diazo- 

 compounds with sulphur dioxid. 



Henderson, Dr. Yandell, Yale Medical School, New 

 Haven, Conn. Physiology. Louisville, Ky, 



