AMERICAN MEN OF SCIENCE 



127 



Asst. state geologist and instr. geol, North Da- 

 kota, 05-07; instr, Mass. Inst. Tech, 07-10; 

 geologist, Can. Geol. Surv, 08-13; prof, geol, 

 Arizona, 13-16; Mont. Sch. of Mines, 16-; pres. 

 and director, Mont. Bur. Mines, 18- A.A; Geol. 

 Soe; Min. Eng. Petrology and economic geology. 

 Clapp, Prof. Cornelia M(aria), Mount Holyoke 

 College, South Hadley, Mass. *Zoology. Mon- 

 tague^ Mass, March 17, 49. Ph.B, Syracuse, 

 88; Ph.D, Chicago, 96. Prof, sool, Mt. Holyoke, 

 73-16, emer. prof, 16- On staff, Woods Hole, 

 96-00, trustee, 97-01, 10. A.A; Soc. Zool, Lat- 

 eral line system and embryology of Batrachus 

 (Opsanus) tau; relation of the axis of the em- 

 bryo to the first cleavage plane. 



Clapp, Earl H(art), U. S. Forest Service, Wash- 

 ington, D. C. Forestry. North Rush, N. Y, Oct. 

 15, 77. Cornell, 02-03; A.B, Michigan, 05. In 

 U. S. Forest Service, 05-, asst. forester in cJiarge 

 research. A.A; Soc. Foresters (v. pres, 16). 



Clapp, F(rederick) G(ardiier), 120 Broadway, New 

 York, N. Y. Geology. Boston, Mass, July 20, 

 79. B.S, Mass. Inst. Tech, 01. Instr. geol. 

 Mass. Inst, Teeh^ 01-02; asst. geologist, TJ. S. 

 Geol. Surv, 02-08; consulting geol. engineer, 08- 

 11; managing geologist, Ass. Geol. Eng, 11-18; 

 chief geologist, Ass. Petrol. Eng, 18- A.A; 

 Geol. Soc; Min. Eng; W. Pa. Eng. Soe; Wash. 

 Geol. Soc. Petroleum and natural gas. 



Clark, Prof. Albert Henry, 701 S. Wood St, Chi- 

 cago, 111. Chemistry^ Marengo, 111, 71. Ph.G, 

 Illinois, 04; B.S^ Michigan, 15. Instr. and later 

 asst. prof, chem, Illinois, 06-19, assoc. prof, 19- 

 20, prof, 20- A.A; Chem. Soc; Pharmaceut. 

 Ass; London Chem. Soc; Chem. Gesell. Pharma- 

 ceutical and medical chemistry; alkaloidal assays 

 of drugs and medicinal products. 



Clark, Prof. Arthur J(ohn), East Lansing, Mich. 

 Chemistry. Chicago, HI, Nov. 23, 80. A.B, Wis- 

 consin, 05, Instr. chem, Mich. Agr. Col, 06-09, 

 asst. prof, 09-14, assoc. prof, 14-16, prof, and 

 head of dept, 16- A.A; Chem. Soc. 



Clark, Prof, Arthur L(ewls), Queen's University, 

 Kingston, Can. Physics. Worcester, Mass, Feb. 

 19, 73. B.S, Worcester, 94; Qark, 96-98, Ph.D, 

 04. Instr. math, and j)hysics, Bridgton Acad, 

 95-96; Worcester Acad, 98-00; instr, physics, 

 Bates, 00-01, prof, 01-07; Sch. Mining, King- 

 ston, Can, 07-, dean, faculty applied science, 19- 

 A.A; Physical Soc; Meteorol. Soc; Refrig. Eng; 

 Royal Soc. Can; Soc. de Physique; Int. Ass. du 

 Froid. Dielectric properties of oils; angle of 

 lag; viscosity of ether at critical temperature; 

 critical constants of air; contact resistance of 

 carbon; capillary electrometer. 



Clark, Austin H(obart), Smithsonian Institution, 

 Washington, D. C. Zoology. Wellesley, Mass, 

 Dec. 17, 80. A.B, Harvard, 03. Acting natur- 

 alist, 'Albatross,' 06; hon. collaborator, U. S. 

 Nat. Museum, 08-09, asst. curator, div. marine 

 invert, 09-20, curator, div. echinoderms, 20- 

 A.A; Soc, Nat; Ornith. Union; Nuttall Ornith. 

 Club; Ass. Geog; Wash. Acad; Wash. Biol. Soc. 

 (past sec'y); Cambridge Entom. Soe. (past 

 sec 'y) ; Harvard Nat. Hist. Soc ; f el. Royal 

 Geog. Soc. Oceanography; echinoderms; in- 

 sects; crinoids; the birds of northern Asia and 

 the West Indies; Lepidoptera; classification of 

 Peripatus, 



Clark, Dr, Bertha M, William Penn High School, 

 Philadelphia, Pa. Physics. Baltimore, Md, May 

 3, 77, A.B, Goucher, 00, Alumnae Ass. fellow, 

 03-04, Southern Women Ass. fellow, 04-05; fel- 

 low, Pennsylvania, 05-07, Ph.D, 07, Instr, phys- 

 ics, Goucher, 01-03; director science, high sch, 

 Phila, 07- Advisory Board, 'Gen. Science Quar- 

 terly,' 16- A.A; Physical Soc; Franklin Inst. 

 Physical chemistry; general science texts. 



Clark, Dr. Bruce Lawrence, University of Cali- 

 fornia, Berkeley, Calif. Paleontology. Hum- 

 boldt. Iowa, May 29, 80. B.S, Pomona, 08; M.S, 

 California, 09, fellow, 09-11, Ph.D, 13. Asst, 

 paleont, California, 10-11, instr. and later asst. 

 prof, 11- A.A; Geol, Soc; Paleont. Soc; Soc. 

 Mammal; West. Soc. Nat; Calif. Acad. The 

 fauna of the San Pablo group (upper Miocene), 

 of middle California, and of Oligocene and 

 Eocene of California; marine invertebrates. 



Clark, Dr. Cha(rle)s F(rederick), U. S. Depart- 

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

 culture. Glover, Vt, Aug. 13, 73. B.S, Vermont, 

 97; M.S.A, Cornell, 07, Ph.D, 09. Asst. agron- 

 omist, Cornell Exp. Sta, 06-07, asst, plant breed- 

 ing, 07-10; asst. agronomist, bur. plant indust, 

 U. S. Dept. Agr, 10-20, horticulturist, SO- A.A; 

 Soe. Agron; Soc. Hort. Sci; Wash. Bot. Soc. 

 Potato breeding and selection; timothy and 

 sorghum breeding; cultural methods for sugar 

 beets. 



Clark, Charles H(enry), U, S, Department of 

 Agriculture, Washington, D, C. Agronomy. 

 Tower City, N, Dak, Aug. 6, 87. B.S, N. Dak. 

 Col, 08. Asst. agriculturist, Dickinson, N. Dak, 

 09-10; asst. plant breeder, Ariz. Exp. Sta, 10- 

 11; crop acclimatization, adaptation and cotton 

 breeding investigationSj hur. plant indust, U- S. 

 Dept. Agr, 11-13, asst. agronomist i?i charge flax 

 and cereal investigations, 13- A.A; Soc, Agron; 

 Am, Geog. Soc; Wash. Bot. Soc, Alfalfa, cot- 

 ton and flax breeding. 



Clark, Prof. Elbert, University of Chicago, Chi- 

 cago, 111. Anatomy. Cleveland Co, Ark, Aug. 

 21, 82, B.S, Arkansas, 03; Chicago, 05-07, 

 Ph.D, 18, M.D, Rush Med. Col, 16. Lab. asst. 

 anat, Chicago, 07-08, asst, 08-09; asst. prof, 

 Philippine Med. Sch, 09; a^soc. prof, Chicago, 

 20- Capt, Red Cross, 17; capt. and major, M.C, 

 18-19. The glands of the frontal sinus of the 

 sheep; the frontal sinus; the pancreas; degen- 

 eration and regeneration of nerves; influenza; 

 pneumonia. 



Clark, Prof. Elias Treat, University of Washing- 

 ton, Seattle, Wash. Forestry. Woodbridge, 

 Conn, Sept. 1, 86. Ph.B, Yale, 07, M.F, 08. 

 Forest asst, U. S. Forest Service, 08-09, dept. 

 forest supervisor, 09-10; supt. Const. Stand. Ry. 

 and Timber Co, 10-11; a^soc. prof, forestry, 

 Washington (Seattle), 11- Soc. Foresters. 

 Lumbering; forest mensuration; logging engi- 

 neering. 



Clark, Dr. E(liot) K(ound), University of Mis- 

 souri, Columbia, Mo. * Anatomy. Shelburne, 

 Mass, Nov. 13, 81. A.B, Yale, 03; M.D, Hop- 

 kins, 07. Asst. anM, Hopkins, 07-08, instr, 08- 

 11, assoc, 11-14; prof, Missouri, 14- A.A; Ass. 

 Anat; Physiol. Soc; Am. Med. Ass; Ass. Prof. 

 Development of lymphatic vessels; development 

 of bone and of blood vessels. 



