AMERICAN MEN OF SCIENCE 



359 



'Jour. Geol, ' 10-; petrographer, Inst. Gcol. de 

 Mes, 19- A. A; Geol. See; Chicago Geog. Soc. 

 Petrology. 



Johannsen, Prof. O(skar) A(ugustus), College of 

 Agriculture, Ithaca, N. Y. Entomology. Daven- 

 port, Iowa, May 14, 73. B.S, Illinois, 94; A.M, 

 Cornell, 02, Ph.D, 04. Eng. worker, Chicago, 

 94-99 ; instr. civil eng, Cornell, 99-04, asst. prof, 

 04-09; prof, entom, Maine, and entomologist, 

 Exp. Sta, 09-12; prof, biol, Cornell, 12-18, 

 entom, 18- A.A; Entom. Soc; Soc. Zool; Ass. 

 Econ. Entom. Limnology ; biology and taxon- 

 omy of Diptera ; medical entomology ; insect his- 

 tology and morphology; parthenogenesis in in- 

 sects. 



Johns, Dr. Carl O(scar), U. S. Department of 

 Agriculture, Washington, D. C. ^Biological 

 chemistry. Vintol, Sweden, Aug. 19, 70. A.B, 

 Bethany (Kans), 99, A.M, 02; Ph.B, Yale, 04, 

 Ph.D, 06. Instr. nat. hist, Bethany (Kans), 99- 

 03; asst. chem, Sheffield Sci. Sch, Yale, 04-06, 

 instr, 06-11, asst. prof, 11-14; org. chemist, 

 hur. chem, U. S. Dept. Agr, 14-15, in charge 

 protein investigatioi\ lah, 15-, in charge scien- 

 tific personnel, 17-, in charge color lab, 20- 

 Detailed to Joint Commission on Eeclassification 

 of Govt. Salaries, 19- A.A; Chem. Soc. (coun- 

 cilor, 17-); Soc. Biol. Chem; Wash. Chem. Soc; 

 Wash. Acad. Synthesis of pyrimidins, purins 

 and halogen and nitroamino aeids; furfurans; 

 cyanogenesis; hydrocyanic acid; proteins and 

 amino acids; saponins; toxicity of metals. 



Johnson, Dr. A(aron) G(uy), University of Wis- 

 consin, Madison, Wis. Vlant pathology. Sept. 

 1, 80. Washington (St. Louis) ; B.S, S. Dak. 

 Col, 07; M.S, Purdue, 11; Ph.D, Wisconsin, 14. 

 Bot. asst, Mo. Bot. Garden, 03-06; asst. bot. 

 and hort, S. Dak. Col, 06-08; asst. botanist, 

 Purdue Exp. Sta, 08-11 ; asst. bot. and plant 

 path, Wisconsin, 11-12, plant path, 12-13, instr. 

 and later asst. prof, 13-; pathologist, office 

 cereal investigations, hur. plant indust, U. S. 

 Dept. Agr, 14- A.A; Bot. Soc; Phytopath. Soc ; 

 Wis. Acad. Unattached forms of plant rusts; 

 diseases of cereals. 



Johnson, Prof. Arden R(ichard), 615 Michigan 

 Ave, Evanston, 111. Physical chemistry. Eut- 

 land. Wis, Sept. 21, 84. B.S, Wisconsin, 06, 

 M.S, 08, Ph.D, 11. Instr. chem, Wisconsin, 06- 

 08; prof, De Paul, 08-12, assoc. prof, theoret. 

 chem, Iowa State, 12-13 ; chemist, C. F. Burgess 

 Laboratories, 14; director, Indust. Chem. Labo- 

 ratories, 15-18 ; asst. prof, physical chem, North- 

 western, 18- A.A; Chem. Soc. (sec 'y-treas, 

 Iowa sect, 12); Electrochem. Soc; Wis. Acad. 

 Boron; metallic calcium; osmosis of optical 

 isomers; photo-chemistry; deposition of metal 

 coatings from vapor phase. 



Johnson, B(ertrand) L(eroy), U. S. Geological 

 Survey, Washington, D. C. Geology. Boston, 

 Mass, May 11, 82. B.S.(Min.E), Mass. Inst. 

 Tech, 05. Hydrologic aid, V. S. Geol. Surv, 05- 

 06, junior geologist, 07-10, asst. geologist, 11- 

 12, assoe. geologist, 12-20, geologist, SO- Geol. 

 Soc; Min. and Metal. Eng; Wash. Acad; Wash. 

 Geol. Soc. (treas, 17). Titaniferous iron ores; 

 Pleistocene terracing and underground waters in 

 the North Carolina coastal plains; coal fields of 

 southern Wyoming; soil movements in Alaska; 



tung.sten, tin, copper and gold deposits in 

 Alaska; occurrence of chalmersite (CuFe^Sj) in 

 Alaskan copper ores ; silver resources of the 

 world; foreign mineral resources. 



Johnson, Dr. Buford J(emiette), Johns Hopkins 

 University, Baltimore, Md. Psychology. Thom- 

 son, Ga, Aug. 23, 80. A.B, Lagrange, 95; A.M. 

 Hopkins, 15, Ph.D, 16. Assoc, psychologist. Lab. 

 of Social Hygiene, Bedford Hills, N. Y, 16-17; 

 Bur. Educ. Exp, N. Y. City, 17-20; assoc. prof, 

 psychol, Hoplcins, 20- Instr. educ. p.sychol, Hop- 



* kins, summers, 18, 19. A.A; Psychol. Ass; 

 S. Soc. Philos. and Psychol; N. Y. Soc. Exp. 

 Educ. Psychology of children; practise effects; 

 motor abilities of young children. 



Johnson, Dr. Charles E(ugene), University of 

 Kansas, Lawrence, Kans. Zoology. Christiania, 

 Norway, April 24, 80. A.B, Minnesota, 06, A.M. 

 07, Ph.D, 12. Instr. comp. anat. of vertebrates, 

 Minnesota, 12-18; assoc. prof, zool, Kansas, 20- 

 A.A; Soc. Zool; Ass. Anat; Soc. Mammal; 

 Ornith. Union. Vertebrate embryology and 

 anatomy; mammalogy; ornithology. 



Johnson, C(harles) M(orris), 731 Orchard St, 

 Avalon, Pa. Chemistry. Alliance, Ohio, Aug. 

 15, 69. Ph.B, Ph.M, Pittsburgh, 89. Asst. 

 chemist. Park Steel Co, 89-90; chief chemist. 

 Crucible Steel Co. of Am, 00-, supt. tungsten 

 works, 09-, director, research dept, 17- A.A; 

 Chem. Soc; Soc. Test. Mat; Steel Treat. Soc; 

 British Iron and Steel Inst. Determination of 

 carbon in iron, steel, ferro-alloys and plumbago; 

 determination of nickel in the presence of chro- 

 mium, iron and manganese; formation of white 

 scale on steel; annealing of alloy steels; analy- 

 sis of special steels, steel-making alloys and 

 graphite; gravimetric determination of man- 

 ganese; tungsten ores. 



Johnson, Dr. Cha(rle)s W(illis), University of 

 Washington College of Pharmacy, Seattle, Wa^h. 

 Chemistry. Concord, Ind, Sept. 23, 73. Ph.C, 

 Michigan, 96, B.S, 00, Ph.D, 03. Asst. instr. 

 chem, Michigan, 98-01 ; instr, Iowa, 01-02 ; asst. 

 prof, Washington (Seattle), 03-04, prof, phar- 

 maceut. chem. and dean, sch. of pharmacy, 04- 

 A.A; Chem. Soc; Pharmaceut. Ass; Wash. State 

 Pharmaceut. Ass. Oxidation products of 



morphin. 



Johnson, C(harles) W(iUison), Boston Society of 

 Natural Historv, Boston, Mass. *Nattiral his- 

 tory. Morris Plains, N. J, Oct. 26, 63. Pub. 

 and private schools. Curator, museum, Wagner 

 Free Inst, Phila, 88-03; Boston Soc. Nat. Hist. 

 03- Assoc, ed, ' Nautilus, ' 90- A.A; Soc. Zool; 

 Entom. Soc; Am. Acad; Boston Soc. Nat. Hist: 

 Phila. Acad; Wash. Entom. Soc; Conchol. Soc. 

 of Gt. Britain and Ireland; London Malacol. 

 Soc. Diptera; recent and fossil Mollusca; 

 Diptera of New England. 



Johnson, Prof. Douglas Wilson, Columbia Univer- 

 sity, New York, N. Y. ^Physiography, Geology. 

 Parkersburg, W. Va, Nov. 30, 78. ' Denison, 

 96-98; B.S, New Mexico, 01; fellow, Columbia, 

 02-03, Ph.D, 03; Harvard, 03-04. Teacher, pub. 

 schools, 97-98; field asst, Univ. Geol. Surv, N. 

 Mex, 99-01; instr. geol, Mass. Inst. Tech, 03-05, 

 asst. prof, 05-07; physiog, Harvard, 06-12; lec- 

 turer geog. Teachers ' Sch. Science, 07-12 ; assoc. 

 prof, physiog, Columbia, 12-19, prof, 19- Instr, 



