AMERICAN MEN OF SCIENCE 



269 



ing; graphic statics. Economical design of 

 trussed roofs. 



Eicker, P(ercy) L(eroy), Office of Botanical Inves- 

 tigations, U. S. Department of Agriculture, 

 Washington, D. C. Botany. Brunswick, Me, 

 March 27, 78. B.S, Maine, 00, M.S, 01. Asst. 

 biol, Maine, 01 ; asst, Herbarium, U. S. Dept. 

 Agr, 01-05, asst. botanist, 05- M.A.A; Mycol. 

 Soc; New Eng. Bot. Club; Wash. Bot. Soc. 

 Maine fungi ; bibliographical and taxonomic 

 study of grasses; mycology. 



Ricketts, Dr. H(oward) T(aylor), 5498 Cornell 

 Ave, Chicago, Ills. Pathology. Findlay, O, 

 Feb. 9, 71. A.B, Nebraska, 94; M.D, North- 

 western, 97 ; interne, Cook Co. Hosp, 98-99 ; 

 fellow, Rush Med. Col, 99-01; Berlin, Vienna 

 and Paris, 01-02. Asst. dermat, Rush Med. 

 Col, 99-01; assoc. path, Chicago, 02-03, instr, 

 03- Ass. Path, and Bact; Chicago Path. Soc. 

 (pres, 05-06) ; Chicago Med. Soc. Blastomy- 

 cetic dermatitis; biology of organisms of blas- 

 tomycetic dermatitis. Cytotoxins in relation to 

 infectious diseases; immunity in blastomycosis. 



Ricketts, Pres. Palmer C(hamberlaine), Troy, 

 N. Y. Mechanics. Elkton, Md, Jan. 17, 56. 

 C.E, Rensselaer, 75. Instr. math, Rensselaer, 

 75-82, asst. prof, 82-84, prof, rational and tech. 

 mech, 8Jf-, director, 92-, pres, 01- Consult- 

 ing engineer, Troy and Boston R. R, and R. 

 W. and O. R. R; engineer, Pub. Improv. Com- 

 mission, Troy, N. Y. Hon. D.E, Stevens, 05. 

 FA. A; Civil Eng; Mech. Eng; British Inst. 

 Civil Eng. Constants of structural steel. 



Ricketts, Pierre de Peyster, 104 John St, New 

 York. *Chemistry. Formerly prof, chem, Co- 

 lumbia; consulting chemist. F.A.A; Chem. Soc; 

 fel. N. Y. Acad. 



Ridgway, R(obert), Brookland, D. C. * Ornithol- 

 ogy. Mount Carmel, Ills, July 2, 50. M.S, 

 Indiana, 84. Zoologist, U. S. Geol. Exploration 

 of 40th Parallel, 67-69; curator, Div. of Birds, 

 U. 8. Nat. Mus, 76- Mem. Advisory Council, 

 World's Cong, Columbian Expos, 92. Mem. Int. 

 Permanent Ornith. Committee, Vienna, 85; Sec- 

 ond Int. Ornith. Cong, Budapest, 91. Fel. 

 Ornith. Union (v. pres, 84-01, 96-98, pres, 



_ 99, 00) ; Forestry Ass; Wash. Biol. Soc; 

 Wash. Acad; cor. mem. N. Y. Acad; Phila. 

 Acad; cor. mem. Boston Zool. Soc; Boston Soc. 

 Nat. Hist ; cor. mem. Chicago Acad ; Mich. 

 Ornith. Club; Davenport Acad; Wash. Philos. 

 Soc; hon. mem. Nuttall Ornith. Club; British 

 Ornith. Union ; cor. mem. London Zool. Soc ; 

 Manchester (England) Lit. and Philos. Soc; 

 Australian Ornith. Union. Ornithology, espe- 

 cially systematic or technical ; botany, princi- 

 pally with reference to that of the lower Wabash 

 Valley. Birds of North and Middle America. 



Riechmann, Dr. F(ritz), Troy, N. Y. Physics. 

 Austin, Tex, Dec. 23, 75. Fellow, Texas, 95-97, 

 C.E, E.E, 96, M.S, 97; fellow, Chicago, 98-01, 

 Ph.D, 01. Instr. physics, Texas, 97-98; Acad, 

 Chicago, 00-01; Western Reserve, 01-03; 

 physicist, W. and L. E. G-urley's Inst. Fac'y, 

 01- M.A.A; Physical Soc; Tex. Acad. 



Riederer, Dr. Herman S(imon), 251 W. 95th St, 

 New York, N. Y. Chemistry, Metallurgy. New 

 York, Dec. 21, 79. B.S, Col. City of N. Y, 98; 

 A.M, Columbia, 01, Ph.D, 03. With the Stand- 

 ard Oil Co, N. Y, 02; Passaic Print Works, 

 Passaic, N. J, 03; Cavcley, Clark and Co, New- 

 ark, N. J, OJf- Chem. Soc; Soc. Chem. Indust; 

 N. Y. Chemists Club. Bismuth. 



Ries, Dr. Heinrich, 49 Thurston Ave, Ithaca, N. Y. 

 *Geology. Brooklyn, N. Y, April 30, 71. Ph.B, 

 Columbia, 92, fellow, 93-95, A.M, 94, Ph.D, 96, 

 Barnard fellow, 97-00. Asst. miner, Columbia, 

 96-97 ; instr. econ. geol, Cornell, 98-02, asst. 

 prof, 02- Asst. geologist, N. Y. Geol. Surv, 

 summers, 91, 92, 95; Mich, 98; Md, 00; N. J, 

 01, 02; Tex, 03; Wis, 04; Va, 05; special agent, 

 U. S. Geol. Surv, 95-; lecturer, New York pub. 

 schools, 95-97 ; mem. Jury of Awards, Atlanta 

 Expos, 95 ; Pan.- Am. Expos, 01 ; La. Purchase 

 Expos, 04. F.A.A; Geol Soc; Min. Eng; Nat. 

 Geog. Soc; Ceramic Soc; fel. N. Y. Acad. Clay, 

 its occurrence, uses and geological distribution. 



Riesman, Dr. David, 1624 Spruce St, Philadelphia, 

 Pa. Medicine. Stadt-Lengsfeld, Germany, March 

 25, 67. M.D, Pennsylvania, 92. Prof. clin. 

 med, Phila. Polyclinic, 00-; assoc. med, Pennsyl- 

 vania, 08- Visiting physician, Phila. and Jew- 

 ish Hospitals ; collaborator, Am. Medicine.' Am. 

 Physicians ; Ass. Path, and Bact ; Am. Med. Ass ; 

 Phila. Col. Physicians; Phila. Path. Soc; Ger- 

 man-Am. Hist. Soc. Clinical medicine; path- 

 ology. 



Rietz, Dr. H(enry) L(ewis), 805 S. Goodwin Ave, 

 Urbana, Ills. Mathematics. Gilmore, O, Aug. 

 24, 75. B.S, Ohio State, 99; fellow, Cornell, 

 00-01, Ph.D, 02. Asst. math, Cornell, 01-02; 

 prof. math, and astron, Butler, 02-03; instr. 

 math, Illinois, 03-04, asst. prof, 0^- M.A.A; 

 Math. Soc. Group theory. The mathematics of 

 statistics. 



Riggs, Dr. Louis Warner, 214 Central Ave, Flush- 

 ing, N. Y. Chemistry, Toxicology. George- 

 town, Me, April 13, 62. B.M.E, Maine, 85; 

 Ph.B, Ills. Wesleyan, 87, A.M, Ph.D, 94. Instr. 

 sciences, Greely Inst, Cumberland, Me, 84-86; 

 Mt. Hermon Sch, Mass, 87-89; Sch. for Boys, 

 Englewood, N. J, 90-93; chem, N. Y. Univ, 93- 

 98; Med. Col, Cornell, 98- Asst. chemist to 

 Prof. R. A. Witthaus, 92-02. Chem. Soc; 

 Chem. Gesell. Post-mortem imbibition of 

 arsenic; testing various schemes of quantitative 

 analysis, with special reference to toxicological 

 separations. 



Riggs, Prof. N(orman) C(olman), Armour Insti- 

 tute, Chicago, Ills. Mathematics. Bowling 

 Green, Mo, Nov. 1, 70. B.S, Missouri, 95; 

 M.S, Harvard, 98. Instr. math, Missouri, 94- 

 95, acting asst. prof, 97-98; instr, Pa. State, 

 99-02; asst. prof, Armour Inst, 02-04, assoc. 

 prof, 04- M.A.A; Math. Soc; Franklin Inst. 



Riggs, Prof. R(obert) B(aird), 35 Forest St, Hart- 

 ford, Conn. Chemistry. Hazelwood, Minn, 

 May 22, 55. A.B, Beloit, 76; Ph.D, Gottingen, 

 83. Chemist, U. S. Geol. Surv, 84-87; prof. 



