AMERICAN MEN OF SCIENCE 



307 



Henderson, Dr. Margaret Wasson, 3317 N. Smed- 

 ley St, PhiladeliDhia, Pa. Botany. Phila- 

 delphia, Sept. 29, 91. B.S, Peunsylvania, 12, 

 A.M, 13, Ph.D, 19. Eesearch asst, Carnegie In- 

 stitution, 13-15; curator herbarium, hot. dept, 

 Pennsylvania, 16- Morphology; relationship of 

 ericaceous saphrophytes to typical Ericaceae. 



Henderson, Dr. M(artln) P(erry), Brigham Young 

 ITniversitv, Provo, Utah. Plant pathology. 

 Clifton, Idaho, Dee. 29, 74. A.B, Utah, 11; fel- 

 low, Wisconsin, 13-14, Ph.D, 14. Instr. bot. and 

 zool, Acad, Preston, Idaho, 04-09; asst. bot, 

 Utah, 10-11 ; Wisconsin, 11-13 ; plant patholo- 

 gist. South. Oregon Exp. Sta, and pathologist, 

 Jackson Co, 14-15; prof, biol, Brigham Young, 

 15- A.A; Phytopath. Soc; Bot. Soe. The 

 black-leg disease of cabbage. 



Henderson, Dr. Velyien E(wart), University of 

 Toronto, Toronto, Can. Pharmacology, Physiol- 

 ogy. Cobourg, Can, 77. E.A, Toronto, 99, M.B, 

 02, M.A, 02. Demonstrator physiol, Pennsylva- 

 nia, 02-03; Toronto, 04-07, lecturer pharmacy 

 and Pharmacol, 07-12, prof, 12- Major, C.E.F, 

 16-19. A.A; Soc. Pharmacol; Physiol. Soc; 

 London Physiol. Soc. Pathology of tabes; 

 physiology of the kidney; pharmacology of 

 ergot. 



Henderson, Prof. William D, University of Mich- 

 igan, Ann Arbor, Mich. Physics. Ingersoll, 

 Can, Nov. 27, 66. A.B, Michigan, 03, A.M, 04, 

 Ph.D, 06. Instr. physics, Michigan, 03-05, asst. 

 prof, 06-09, assoe. prof, 09-19, director, exten, 

 19- Assoc, mem. Physical Soc. Electrochem- 

 istry; concentration cells; thermoelectromotive 

 force of silver and of cadmium amalgams; heat 

 of dilution of zinc amalgams. 



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

 State University, Columbus, Ohio. Chemistry. 

 Wilkinsburgh, Pa, Jan. 29, 70. A.B, Wooster, 

 91, A.M, 94; fellow. Hopkins, 96-97, Ph.D. 97. 

 Prof. nat. science, Emporia, 91-93 ; chem. Ohio 

 (Athens), 97-99; asst. prof, Ohio State, 99-01, 

 assoc. prof, 01-08, jrrof. inorg. and physical 

 chem, 08- A.A. (sec'y, council, 15, gen. sec'y, 

 16); Chem. Soe. (sec'y, inorg. and physical 

 chem. sect, 17, chairman, 18). Chlorids of 

 p-nitroorthosulphobenzoic acid ; decomposition 

 of diazo-compounds with sulphur dioxid; action 

 of anhydrous aluminum chlorid on unsaturated 

 compounds; hydrolysis of ethyl acetate by 

 neutral salt solutions; action of sulphurous acid 

 on sulphids of iron, zinc and manganese; a lead 

 standard cell ; thionic acids and their salts. 



Henderson, Dr. Tandell, Yale Medical School, New 

 Haven, Conn. ^Physiology. Louisville, Kv, 

 Aprir23, 73. A.B, Yale, 95, Ph.D, 98; M.ar- 

 burg and Munich, 99-00. Asst. physiol. chem, 

 Yale, 98-99, instr. physiol, 00-02, asst. prof, 

 02-11, prof, 11- Consulting physiologist. Bur. 

 MineS; 13-, in charge, physiol. div, war gas in- 

 vestigations, 17-19; chairman, med. research 

 board, Air Service. A.A; Physiol. Soc; Soc. 

 Biol. Chem; Soc. Pharmacol; Am. Med. Ass. 

 f; sec'y. sect. path, and physiol, 10, chairman, 

 11) ; London Physiol. Soc. Physiology of the 

 circulation; biochemistry of respiration; phar- 

 macology- of gases. 



Hendren, Prof. L(invHle) L(aurentine), Athens, 

 Ga. Physics. Carev. N. C, March 3, 79. A.B, 



Trinity (N. C), 00, A.M, 01; Ph.D, Columbia, 

 05. Asst. physics, Columbia, 02-05; adj. prof. 

 applied math, Trinity (N. C), 05-08; prof, 

 Georgia, OS- A.A; assoc. mem. Physical Soc. 

 Eadioactivity. 



Hendrick, Ellwood, 139 E. 40th St, New York, 

 N. Y. *Chemistry. Albany, N. Y, Dec. 19. 61. 

 Ziirich, 78-81. Supt, Albany Aniline and Chem. 

 Works, 81-84; in business, 84-15; mem. staff, 

 Arthur D. Little Co, 17-; consulting ed, 'Chem. 

 and Metal. Eng,' 18- Chem. Soc. (councilor, 18, 

 19, 20) ; Soc. Chem. Indust. (mem. exec, commit- 

 tee, N. Y. sect, 19, 20); N. Y, Chemists Club 

 (pres, 18-20) ; Soc. Chim. indust. (mem. council, 

 19, 20). Popular chemistry. 



Hendrickson, Prof. A(rthur) H(oward), 331 Hil- 



gard Hall, Berkeley, Calif. Horticulture. Grand 

 Eapids, Mich, Feb. 2, 90. B.S, Mich. Agr. Col, 

 13 ; M.S, Cornell, 19. Asst. pomol, California, 

 13-15, instr, 15-17, asst. prof, 17-; exchange 

 prof, Cornell, 18-19. Soc. Hort. Sci. Pomol- 

 ogy; pollination; pruning; irrigation. 



Hendrix, Prof. B(yron) M(urray), 36th and Pine 

 Sts, Philadelphia, Pa. Physiological chemistry. 

 Preble Co, Ohio, May 16, 86. B.S, Ohio State, 

 09; Ph.D, Yale, 15. Asst. agr. chem, Ohio 

 State, 09-10; asst. chemist, bur. chem, U. S. 

 Dept. Agr, 10-13 ; instr. physiol. chem, Penn- 

 sylvania, 15-19, asst. prof, 19- Chem. Soc. 



Hendrixson, Prof. W (alter) S(cott), Grinnell, 

 Iowa. Chemistry. Felicitv, Ohio, Jan. 11, 59. 

 B.S, Union Christian Col, 82; A.M, Harvard, 89, 

 Ph.D, 93; Berlin and Gottingen, 94-95. Instr. 

 chem. and physics, Antioch, 83-88; asst, Har- 

 vard, 90; prof, chem, Grinnell, 90- Assoc. 

 prof, chem, Iowa, summer, 02; lecturer. Illinois. 

 17. Chem. Soe. (pres, Iowa sect) ; Iowa Acad. 

 (pres). Titration of iodids. 



Henmon, Prof. V(ivian) A (lien) C(harles), Uni- 

 versity of Wisconsin, Madison, Wis. Psychol- 

 ogy, Education. Centralia, Wis, Nov. 27, 77. 

 A.B, Bethany (Kans). 95, A.M, 99: fellow, 

 Columbia, 04-05, Ph.D, 05. Principal schools, 

 Lincoln, Mo, 95-97; asst, Bethany (Kans), 98, 

 instr. pedag, 98-00, prof, pcdng. and psycho!, 

 00-05; lecturer psychol, Columbia, 05-07; prof, 

 psychol. and educ, Colorado, 07-10; assoe. prof. 

 educ, Wisconsin, 10-12, prof, 13-, director, sch. 

 educ, 16- Acting dean, col. lib. arts, Colorado, 

 09-10; capt. Air Service, Sig. P. C, 17-19, 

 major, 19- A.A. (v. pres, L, 19) ; Psychol. Ass. 

 Psychology of learning; reaction time; the time 

 of perception as a measure of differences in 

 sensations; sex differences in color-perception; 

 relation of time of judgment to its accuracy ; 

 standard tests in foreign languages; tests of 

 aptitude for aviation. 



Hennen, Ray V, Morgantown. W. Va. Geology. 

 St. Cloud, W. Va, June 18, 75. A.B, West 

 Virginia, 00, B.S, 01. Engineer, Carter Oil 

 Co, 01-02; engineer and chief clerk. W. Va. 

 Geol. Sury, 02-07, asst. geologist, 07-18; con- 

 sulting geologist, 18-19; chief geologist, Trans- 

 continental Oil Co, 19- Chief geologist. Stand- 

 ard Oil Co. petrol, expcd. to S. Am. 13. A.A; 

 Geol. Soc; Ass. Petrol. Geol. Oil and gas 

 geology. 



