AMERICAN MEN OF SCIENCE 



273 



glucose and allied products. Hydrolysis of 

 starch; optical analysis; sewage. 



Rolfs, Prof. F(red) M(oss), Lake City, Fla. Bot- 

 any. Le Claire, la, March 5, 74. B.S, Iowa 

 State, 97; M.S, Colo. Agr. Col, 04. Student 

 asst. bot, N. Y. Agr. Exp. Sta, Geneva, 99-00; 

 assoc. prof. bot. and hort, Colo. Agr. Col, and 

 asst, Colo. State Exp. Sta, 00-04; prof. hot. and 

 hort, Florida, and State Exp. Sta, OJf- Fla. 

 Hort Soc. Plant pathology; Corticium; Fusar- 

 ium. Fungous diseases of the peach and the 

 plum. 



Rolfs, Prof. P(eter) H(enry), Miami, Fla. 

 Plant pathology and physiology. Le Claire, la, 

 April 17, 65. B.S, Iowa State, 89, M.S, 91. 

 Asst. botanist, Iowa State, 91, entomologist and 

 botanist, 91-92; Fla. Agr. Exp. Sta, 92-98, bot- 

 anist and horticulturist, 98-99 ; botanist and 

 bacteriologist, Clemson, and S. C. Agr. Exp. 

 Sta, 99-01; plant pathologist in charge of Sub- 

 tropical Lab. and Garden, Bur. Plant Indust, 

 U. S. Dept. Agr, Miami, 01-06; director and 

 horticulturist, Fla. Agr. Exp. Sta, 06- Prof, biol, 

 Fla. State Agr. Col, 92-95, biol. and hort, 95-99. 

 F.A.A; assoc. Bot. Soc; Ass. Econ. Entom; 

 Pomol. Soc; Fla. Hort. Soc; Iowa Acad; St. 

 Louis Acad; Wash. Entom. Soc; Int. Ass. Bot. 

 Plant pathology and physiology. 



Rominger, Dr. Carl (Ludwig), 315 S. Fifth St, Ann 

 Arbor, Mich. Geology, Paleontology. Schnait- 

 heim, Germany, Dec. 31, 20. M.D, Tubingen, 

 42. Asst, Chem. Lab, Tiibingen, 42-44; prac- 

 tising physician, 48-75; state geologist, Mich, 

 70-84. Medal, Acad. Lit et Sci. Regina Boica, 

 Bene Merenti. F.A.A. Geology. 



Rood, Prof. Clement E(ugene), Carthage, Ills. 

 Astronomy. Mt. Morris, Mich, Oct. 14, 70. 

 Ph.B, Albion, 94, Ph.M, 97 ; fellow, Chicago, 97- 

 99. Instr. astron. and physics, Albion, 95-97; 

 math, and astron, Beloit, 99-01 ; acting prof, 

 Carthage, 01-02, principal, Nor. Dept, and prof, 

 physics, 02- Astron. and Astrophys. Soc. So- 

 lar research. 



Root, Prof. Oren, Clinton, N. Y. Mathematics. 

 Syracuse, N. Y, May 18, 38. A.B, Hamilton, 

 56, A.M. Tutor math, Hamilton, 60-62; prof. 

 English, Missouri, 66-71; pres, Pritchett, 73-76; 

 prof, math, Hamilton, 80- Principal, Acad, 

 Rome, N. Y; supt. schools, Carrollton, Mo. 

 D.D, Rutgers, 90; L.H.D, Union, 95. 



Rorer, Prof. Jonathan T(aylor), Central High 

 School, Philadelphia, Pa. Mathematics, Astron- 

 omy. West Chester, Pa, Aug. 21, 71. A.B, 

 Colorado, 95; Ph.D, Pennsylvania, 01. Instr. 

 math, and English, Colo. Col, 94-95; math, 

 Central High Sch, Phila, 95-99, asst. prof, 99- 

 03, prof, 03- M.A.A; Astron. and Astrophys. 

 Soc. Mathematical astronomy. The orbit of 

 Brook's comet, 1898 X. 



Rosa, Prof. Edward B(ennett), Bureau of Stand- 

 ards, Washington, D. C. *Physics. Rogers- 

 ville, N. Y, Oct. 4, 61. B.S, Wesleyan, 86; fel- 

 low, Hopkins, 90-91, Ph.D, 91. Instr. physics, 

 Wisconsin, 90; assoc. prof, Wesleyan, 91-92, 

 19 



prof, 92-02; physicist, Bur. Standards, 01- 

 Elliott Cresson medal, Franklin Inst. F.A.A. 

 (sec'y, B, 98) ; Physical Soc; Elec. Eng. Value 

 of v, the ratio of electrical units; dielectric 

 constants of electrolytes ; dielectric losses in con- 

 densers; forms of alternating curves; respira- 

 tion calorimeter; equations of electromagnetic 

 waves; testing of induction integrating meters; 

 absolute measurement of capacity and induct- 

 ance. Studies in condensers; alternating cur- 

 rent delineation and analysis; precision of elec- 

 tric measurements; redetermination of funda- 

 mental electrical units. 



Rose, Dr. J(oseph) N(elson), 1883 Third St, N. W, 

 Washington, D. C. *Botany. Union Co, Ind, 

 Jan. 11, 62. A.B, Wabash, 85, A.M, 86, Ph.D, 

 89. Asst. bot, Wabash, 86-88; bot. asst, U. S. 

 Dept. Agr, 88-96; asst. curator, Div. Plants, 

 U. S. Nat. Mus, 96-05, assoc. curator, 05- 

 F.A.A; Bot. Soc; Wash. Acad; Wash. Bot. and 

 Biol. Societies. Mexican plants; Umbelliferae; 

 Crasulaceae of North America. Cactaceae of 

 North America. 



Rosenau, Dr. M(ilton) J(oseph), U. S. Public 

 Health and Marine Hospital Service, Washing- 

 ton, D. C. Pathology, Bacteriology. Phila- 

 delphia, Pa, Jan. 1, 69. M.D, Pennsylvania, 

 89 ; Hygienic Inst, Berlin, 92 ; Pasteur Inst, 

 Paris, 00. Asst. surgeon, U. S. Marine Hosp. 

 Service, 90-95, past asst. surgeon, 95 ; quaran- 

 tine officer, San Francisco, 95-98 ; Santiago and 

 other Cuban ports, 9S ; director, Hygienic Lab, 

 U. S. Pub. Health and Marine Hosp. Service, 98- 

 Prof. bacter, Wash. Post-Grad. Med. Sch, 02. 

 Sanitary attache, Int. Conf. of Am. States, Mex, 

 02; delegate, Tenth Int. Cong, of Hygiene and 

 Demog; 13th Int. Med. Cong, Paris, 00; mem. 

 Int. Commission to Revise Nomenclature of 

 Causes of Death, Paris, 00; delegate, Int. Sani- 

 tary Conf, Wash, 02. M.A.A; Ass. Path, and 

 Bact; Soc. Bact; Am. Med. Ass; Pub. Health 

 Ass; Anti-Tuberculosis League; Ass. Mil. Surg. 

 Scientific and practical value of disinfecting 

 substances; viability of the bacillus pestis; 

 serum therapy; bacteriology of communicable 

 diseases; the bacteriology of vaccines; viability 

 of tetanus ; the germicidal power of glycerin. 

 The standard diphtheria antitoxin unit; new 

 laboratory methods. 



Rosenheim, Dr. Sylvan, 522 N. Charles St, Balti- 

 more, Md. Rhinology, Laryngology. Balti- 

 more, Sept. 16, 74. A.B, Hopkins, 95, M.D, 99. 

 Asst. laryngol, Hopkins, 02- Consulting laryn- 

 gologist, Hebrew Hosp; chief, Laryngol. Clinic, 

 Northeastern Dispensary; asst. surgeon, Balti- 

 more Eye, Ear and Throat Hosp. Ass. Anat; 

 Am. Med. Ass; Md. Med. and Chirurg. Faculty. 

 Tracheal tumors; leukokeratosis buccolis; com- 

 pression myelitis. Nasal tumors; tuberculous 

 laryngitis. 



Ross, Prof. B(ennett) B(attle), Auburn, Ala. 

 Chemistry. Tuskegee, Ala, Dec. 25, 64. A.B, 

 Ala. Polytech, 81, M.S, 86; Gottingen and Berlin. 

 Asst. chemist, Ala. State Lab, 84-87 ; prof, chem, 

 Louisiana, 87-93; Ala. Polytech, and state 



