354 



AMERICAN MEN OF SCIENCE 



jst, Exp. Sta, 09-18; prof, chem, West Virginia, 

 20- A.A; Chem. Soc. Electrical conductivity; 

 phosphatids; poisonous plants; chlorophyll; en- 

 zymes; saponin; chemical apparatus. 



Jacobson, Dr. Clara, 7556 Saginaw Ave, Chicago, 

 111. Physiology. Chicago, 111, July 21, 87. B.S, 

 Chicago, 09, M.S, 10, fellow, 10-11, Ph.D, 16, 

 M.D, Eush Med. Col, 13. Intern, Cook Co. 

 Hosp, 14-15; physician in charge, Grand Cross- 

 ing Dispensary, Municipal Tuber. ' Sanitarium, 

 17- Glands of internal secretion; tuberculosis. 



Jacobson, Dr. Conrad, Peter Bent Brigham Hos- 

 pital, Boston, Mass. Medi-cine. Chicago, 111, 

 Oct. 29, 79. B.S, Beloit, 00; M.D, Hopkins, 11. 

 Asst. prof, chem, Armour, 06-08; asst. surg, 

 Hopkins, 11-12; asst. and later instr. Harvard 

 Med. Sch, 12-19; asst. res. surgeon and later 

 res. surgeon, Peter Bent Brigham Hosp, 12- 

 Ass. Path, and Bact. Surgery ; pituitary gland ; 

 .spinal fluid; Eck tistula animal. 



Jacobus, Dr. D(avid) S(clienck), 85 Liberty St, 

 New York, N. Y. Mechanical engineering. 

 Physics. Eidgefield, N. J, Jan. 20, 62. M.E, 

 Stevens, 84. Instr. and asst. prof. exp. mech, 

 Stevens, 84-98, prof. exp. mech. and eng. phys- 

 ics, 98-03, in charge of Carnegie Lab. of Eng, 

 00-, prof. exp. eng, 03- Advisory engineer, The 

 Babcock and Wilcox Co, 06-; special lecturer, 

 dept. exp. eng, Stevens, 06- A.A. (sec'y, D, 

 93, v. pres, 04); Math. Soc; Mech. Eng. (man- 

 ager, Oa, V. pres, 03); Min. Eng; Elec. Eng; 

 Eng. Educ; Naval Archit. and Marine Eng; 

 Soc. Refrig. Eng. (director, 04, pres, 06) ; 

 Franklin Inst. Steam engineering. 



Jacoby, Prof. Harold, 39 flaremont Ave, New 

 York, N. Y. *Astronomy. New York, March 4, 

 65. A.B, Columbia, 85, Ph.D, 96. Asst. as- 

 tronomer, U. S. eclipse exped. to W. Africa, 89- 

 90; vol. asst. Cape of Good Hope Observatory, 

 90; adj. prof, astron, Columbia, 94-04, prof, 

 04-, head, dept. astron, 05- A.A; Astron. Soc. 

 (ed, 07-09) ; Math. Soc. (treas. and ed, 'Bui'); 

 fel. N. Y. Acad, (sec'y) ; fel. Eoyal Astron. Soc; 

 Astron. Geeell. Application of photography to 

 astronomical measurements of precision; stellar 

 parallax; star clusters; variation of latitude; 

 aberration of light; polar photography; navi- 

 gation. 



Jacoby, Prof. Henry S(ylvester), 105 Harvard 

 Place, Ithaca, N. Y. Bridge engineering. 

 Springtown, Pa, April 8, 57. C.E, Lehigh, 77. 

 Mem. topog. corps. Second Pa. Geol. Surv, 78; 

 transitman, gaging Eed Eiver and Atchafalaya 

 Eiver, 79; chief draftsman, U. S. Engineer's 

 Office, Memphis, Tenn, 79-85; instr. civil eng, 

 Lehigh, 86-90; asst. prof, bridge eng. and 

 graphics, Cornell, 90-94, assoc. prof, 94-97, prof, 

 97- A.A. (sec'y, D, 95, v. pres, 01) ; Civil Eng; 

 Eng. Educ. (sec'y, 00-02, cd, 'Proc,' 00, 01, 

 pres, 15) ; R. R. Eng. (chairman, committee on 

 wooden bridges and trestles) ; Wash. Acad. 

 Bridge stresses and design; graphic statics; 

 stresses in metallic arches and in reinforced con- 

 crete arches; .structural details. 



Jacques, Dr. William Wbite, 469 Beacon St, Bos- 

 ton, Mass. Pliysics. Haverhill, Mass, Aug. 

 30, 55. B.S, Mass. Inst. Tech, 76; A.M, Ph.D, 

 Hopkins, 79. Expert, Am. Bell Telephone Co, 

 80-97. Lecturer elec. eng, Mass. Inst. Tech, 



87-90. Am. Acad. Electricity; light; heat; 

 acoustics. 



Jaffa, Prof. Myer Edward, University of Cali- 

 fornia, Berkeley, Calif. Chemistry. Svdney, 

 Australia, Oct. 6, 57. Ph.B, California, 77, M.S, 

 96. Asst. chemist, tenth census, 79-80; asst, 

 agr. dept, California, 80-81; asst. chemigt. 

 Northern Transcontinental Surv, 81-83; first 

 asst. and chemist, dept. viticulture, California, 

 83-89, instr. agr. 93-96, asst. prof, in charge 

 agr. chem, 96-06, nutrition, 06-08, prof, 

 OS- Food expert, U. S. Dept. Agr, 00; director, 

 bur. food and drugs, Calif. State Board of 

 Health. Chem. Soc; Agr. Chem. (pres, 04). 

 Agricultural chemistry; soils; water; cattle and 

 human foods; nutrition of man and poultry. 



Jaggar, Dr. T(homas) A(ugustus), Volcano House, 

 Hawaii. *Geology. Philadelphia, Pa, Jan. 24, 

 71. A.B, A.M, Harvard, 94, Ph.D, 97; Heidel- 

 berg and Munich, 94-95. Instr. geol. Han-ard, 

 95-03, asst. prof, 03-06; prof, and head of dept, 

 .Mass. Inst. Tech, 06-12; director, Hawaiian 

 Volcano Observatory, 12-19; volcanologi-st, U. 

 S. Weather Bur, 19- Asst. geologist, U. S. 

 Geol. Surv, 98-04. Geol. Soc; Am. Acad; Am. 

 Geog. Soc; Wash. Acad. Experimental geology; 

 volcanology; physical mineralogy; geophysics; 

 the Caribbean eruptions of 1902 ; volcanology of 

 Aleutian Islands, Hawaii, Japan, Italy, New 

 Zealand and Central America. 



Jagger, Ivan C(laude), U. S. Department of 

 Agriculture, Washington, I). C. Plant pathol- 

 ogy. East Palmyra, N. Y, Aug. 12, 89. B.S.A, 

 Cornell, 11, fellow, 11-13; M.S, Wisconsin, 13. 

 Instr, Cornell, 13-14; asst. prof, plant path, 

 Rochester and Cornell, 14-18; pathologist, bur. 

 plant indu-st, U. S. Dept. Agr, 18- Phytopath. 

 Soc. Diseases of vegetables. 



James, Prof. Charles, New Hampshire College, 

 Durham, N. H. *Chemistry. Northampton, 

 England, SO. F.I.C, London, 07. Chemist, Nat. 

 Ecfining Co, 05-06; asst. prof, inorg. chem, N. 

 E. Col, 06-12, prof, 12- Nichols medal, Chem. 

 Soc, 11. Chem. Soc; London Chem. Soc. Rare 

 metals. 



James, Prof. G(eorge) O (scar), Washington Uni- 

 versitv, St. Louis, Mo. Mathematics. Bowers 

 Hill, Va, Aug. 1, 73. A.B, Hopkins, 95, Ph.D, 

 99. Instr. physics, Utah, 96-97; math, and 

 astron, Lehigh, 02-03; math, Washington (St. 

 Louis), 03-08, asst. prof, astron. and math, 08- 

 13, prof, applied math, and dean of col, 18- 

 Math. Soc. Approximate longitudes from ob- 

 servations of the moon in the polaris vertical 

 circle; relation between empirical and inertial 

 trihedrons of gravitational astronomy; philos- 

 ophy of relativity theory. 



James, George Wharton, 1098 N. Raymond Ave, 

 Pasadena, Calif. Ethnology, Archeology. Gains- 

 borough, England, Sept. 27, 58. Litt.D, Santa 

 Clara, 07. Ed. 'The Basket,' 03-04; co-editor, 

 'The Craftsman,' 04-05. Popular lecturer, 

 Stanford, Calif. Acad, Princeton, Columbia, 

 Drexel Inst, Franklin Inst, New York Board of 

 Educ. Brooklyn Inst, Teachers Col, etc. Geol. 

 Soc; Pacific Astron Soc; S. Calif. Acad; Royal 

 Astron. Soc; Royal Micros. Soc; Royal Hist. 

 Soc; Victoria Inst. Symbolism of Indian 

 basketry designs; folk-lore; present social con 



