AMERICAN MEN OF SCIENCE 



93 



Universal occurrence of titanic acid in soils; 

 inorganic chemistry; synthesis; analysis of 

 unusual products and rare minerals; analysis 

 of ashes of weeds. 



Dunstan, Prof. A(rthur) S(ain)t C(harles), Au- 

 burn, Ala. Electrical engineering. Fredericks- 

 burg, Va, March 25,71. B.S, Ala. Polytech, 89, 

 M.E, 90, C.E, 91; Hopkins; Chicago. Assoc, 

 prof. elec. eng, Kansas, 94-99; prof, Ala. 

 Poli/tech, 99- Consulting elec. engineer for 

 various companies and cities. F.A.A; Elec. 

 Eng; Astron. and Astrophys. Soc. Engineer- 

 ing; design and construction. 



duPont, Francis G(urney), Wilmington, Del. 

 Chemistry, Physics, Mechanics. Near Wilming- 

 ton, May 27, 50. Pennsylvania, 70. V. pres, 

 manager and partner, E. I. duPont de Nemours 

 and Co, 71-90. F.A.A; Chem. Soc; Soc. Chem. 

 Indust; Franklin Inst; Pacific Astron. Soc; 

 N. Y. Chemists Club. Chemistry of explosives. 



Durand, Dr. E(lias) J(udah), 120 Oak Ave, Ithaca, 

 N. Y. *Mycology. Canandaigua, N. Y, March 

 20, 70. A.B, Cornell, 93, Sc.D, 95. Asst. bot, 

 Cornell, and asst. crypt, botanist, Agr. Exp. 

 Sta, 95-96, instr. bot, 9&-, asst. curator, Her- 

 barium, 98- F.A.A; Soc. Plant Morph. and 

 Physiol; Mycol. Soc. Discomycetous fungi; 

 diseases of plants, Structure and classification 

 of Discomycetes ; embryology of Taxus. 



Durand, Prof. W(illiam) F(rederick), Stanford 

 University, Cal. Marine engineering, Naval 

 architecture. Bethany, Conn, March 5, 59. 

 Grad, U. S. Naval Acad, 80; Ph.D, Lafayette, 

 88. Engineer eorps, U. S. N, 80-87 ; prof. mech. 

 and supt, Mech. Dept, Mich. Agr. Col, 87- 

 91; prof, marine eng, Cornell, 91-04, acting 

 director, Sibley Col, 03-04; prof. mech. eng, 

 Stanford, 0^- Special duty, Lafayette, 83-85; 

 advisory ed, 'Marine Eng,' 01- Gold medal, 

 Naval Eng, 00. F.A.A; Mech. Eng; Eng. 

 Educ; Naval Eng; Naval Archit. and Ma- 

 rine Eng; Franklin Inst; Soc. Technique mari- 

 time. Resistance and propulsion of ships; 

 hydrodynamics. 



Durell, Prof. Fletcher, Lawrenceville, N. J. 

 Mathematics. Clarksburg, N. J, Dec. 17, 59. 

 A.B, Princeton, 79, A.M, 82, Ph.D, 87. Master 

 math, Pennington Sem, 79-81, 82-83; prof, 

 math, and astron, Dickinson, 83-95; master 

 math, Lawrenceville Sch, 95- Math. Soc. 

 Mathematics. 



Durfee, Prof. W(illiam) P(itt), 639 Main St, 



Geneva, N. Y. Mathematics. Livonia, Mich, 

 Feb. 5, 55. A.B, Michigan, 76; Ph.D, Hopkins, 

 83. Instr. math, Univ. Mound Col, San Fran- 

 cisco, 76-77; Berkeley Gymnasium, Cal, 77-81; 

 prof, Hobart, 8^-, dean, S8- F.A.A; Math. 

 Soc. Symmetric functions. 



Durkee, Prof. Frank W(illiams), Tufts College, 

 Mass. Chemistry. North Tunbridge, Vt, Oct. 

 5, 61. A.B, Tufts, 88, A.M, 89. Instr. chem, 

 Tufts, 89-96, asst. prof, 96-97, prof, inorg. 

 chem, 97- Chem. Soc; Soc. Chem. Indust. 

 Oxidation by electrolysis of sodium sulphid 



and hydrosulphid to the sulphate; action of 

 water of the Hub coal mine upon cast iron. 

 The production of zinc by electrolysis. 

 Dutcher, William, 525 Manhattan Ave, New York, 

 N. Y. Ornithology. Stelton, N. J, Jan. 20, 

 46. Pub. schools. Pres, Nat. Ass. Audubon 

 Societies. Fel. Ornith. Union; fel. N. Y. Acad; 

 Wash. Biol. Soc; N. Y. Linnean Soc. Life his- 

 tory, distribution, economic value and protection 

 of birds. 



Dutton, Major C(larence) E(dward), U. S. A, 

 Englewood, N. J. *Geology, Physics, Political 

 economy. Wallingford, Conn, May 15, 41. 

 A.B, Yale, 60. First lieut. and capt, 21st Conn. 

 Vols, Civil War, 62-63; second lieut, Ordnance 

 Corps, U. S. A, 63-67, first lieut, 67-73, capt, 

 73-90, major, 90- Detailed for duty with U. 

 S. Geol. Surv. Nat. Acad; Philos. Soc; Am. 

 Geog. Soc; Acad. Polit. and Social Sci; Wash. 

 Philos. Soc. Volcanoes; earthquakes. Eco- 

 nomics. 



Duvel, Dr. J(oseph) W(illiam) T(ell), Seed Labo- 

 ratory, U. S. Department of Agriculture, Wash- 

 ington, D. C. Botany. Wapakoneta, O, Nov. 

 16, 73. B.S, Ohio State. 97; fellow, Michigan, 

 99-02, Sc.D, 02. Asst. botanist, Ohio Agr. Exp. 

 Sta, 98-99 ; asst, Seed Lab, U. S. Dept. Agr, 02- 

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

 Biol. Soc; Int. Ass. Bot. Conditions influen- 

 cing vitality of seeds ; respiration in dry seeds ; 

 effect of gases on vitality. 



Dwight, Dr. Jonathan, Jr, 2 E. 34th St, New York, 

 N. Y. Zoology. New York, Dec. 8, 5S. A.B, 

 Harvard, 80; M.D, Columbia, 93. Practising 

 physician, 93- M.A.A; fel. Ornith. Union; fel. 

 Am. Geog. Soc; fel. N. Y. Acad; N. Y. Linnean 

 Soc. Ornithology. 



Dwight, Prof. Thomas, Harvard Medical School, 

 Boston, Mass. * Anatomy. Boston, Oct. 13, 43. 

 A.B, Harvard, 66, M.D, 67. Instr. comp. anat, 

 Harvard, 72 ; lecturer and later prof, anat, Med. 

 Sch. of Maine, 72-76; instr. histol, Harvard 

 Med. Sch, 74-80, topog. anat, 80-83, Parkman 

 prof, anat, 83- Shattuck prize, Mass. Med. 

 Soc; LL.D, Georgetown. F.A.A; Soc. Nat; 

 Ass. Anat. (pres.) ; Am. Acad; Boston Soc. 

 Med. Sci. Anatomy, chiefly human; variations 

 and anomalies. Variations in bones of the 

 wrist, ankle and spine; method of recognizing 

 sex from certain long bones. 



Dwight, Prof. William B(uck), Vassar College, 

 Poughkeepsie, N. Y. Geology. Constantinople, 

 Turkey. Mav 22, 33. A.B, Yale, 54; grad, 

 Union Theol. Sem, 57 ; Ph.B, Yale, 59. Princi- 

 pal, Englewood Female Inst, N. J, 59-65; 

 Officers' Family Sch, West Point, 67-70; assoc. 

 principal, and instr. sciences, State Nor. Sch, 

 New Britain, Conn, 70-78 ; prof. geol. and cu- 

 rator, Mus, Vassar, 78- Ed, ' Conn. Sch. Jour,' 

 72-75; head, Dept. Zool, Marthas Vineyard. 

 Summer Inst, 78-90; examiner geol, N. Y. 

 State, 94-95; ed, Dept. Geol, 'Standard Diet'. 

 Bronze medal, Paris Expos, 00. Int. Geol. Cong. 

 F.A.A; Soc. Nat; Geol. Soc; Nat. Geog. Soc; 

 Social Sci. Ass; assoc. mem. Nat. Inst, of Arts, 



