No. 647] 



FAMILY RESEMBLANCES 



511 



formance of an equal number of people taken at random 

 to see the difference. 



Biographical Account of Edward Charles Pickering, American 



Men of Science, 1910 

 Pickering, Prof. Edward C(harles), Harvard College Observatory, 

 Cambridge, Mass. * Astronomy, Astrophysics. Boston, Mass, July 

 19, 46. B.S, Harvard, 65, A.M, 80, LL.D, 03 ; California, 86 ; Michi- 

 gan, 87; Sc.D, Victoria (England), 00; LL.D, Chicago, 01; Ph.D, 

 Heidelberg, 03; LL.D, Pennsylvania, 06. Instr. math, Lawrence 

 Sci. Sch, Harvard, 65-67; prof, physics, Mass. Inst. Tech, 67-77; 

 astron. and director, Harvard Col. Observatory, 77- Bruce Gold 

 Medal, Pacific Astron. Soc; Eumford, Draper, Bruce, two Royal 

 Astron. Soc. and other medals. Nat. Acad; F.A.A. (v. pres, 77); 

 Astron. and Astrophys. Soc. (pres, 06-08) ; Philos. Soc. (v. pres, 

 09) ; fel. Am. Acad; Wash. Acad; hon. mem. N. Y. Acad; cor. mem. 

 Berlin Acad; Soc. astron. de France; Inst, de France; Royal Soc. 

 Upsala; Soc. Lynceorum Nova; St. Petersburgh Imp. Acad; Socie- 

 ties of Cherbourg, Palermo, etc. Stellar photometry and spectros- 

 copy. 



Account geven in Who's Who in America, Vol. 6, 1910-11 

 Pickering, Edward Charles, astronomer; &. Boston, July 19, 1846. 

 s. Edward and Charlotte (Hammond) P; brother of William Henry 

 P. iq.v.); ed. Boston Latin School; S.B, Lawrence Scientific Sch. 

 (Harvard), 1865 (hon. A.M., 1880; LL.D., univs. of Cal., 1886, 

 Mich., 1887, Chicago, 1901, Harvard, 1903, Pa., 1906; Ph.D., Heidel- 

 berg, 1903; D.Sc, Victoria U., Eng., 1900; m. Lizzie Wadsworth, 

 d. Jared Sparks, Mar. 9, 1874. Instr. mathematics, Lawrence Scien- 

 tific Sch., 1865-7; Thayer prof, physics, Mass. Inst. Tech., 1867-76; 

 prof, astronomy and dir. Harvard Coll. Obs. since 1876. Estab- 

 lished 1st physical lab. in U. S. ; under his direction, invested capi- 

 tal and income of the observatory has increased fourfold. Study 

 of light and spectra of the stars have been spl. features of his work; 

 devised meridian photometer and made 1,400,000 measures of the 

 light of the stars with it. By establishing an auxiliary sta. in 

 Arequipa, Peru, Southern stars are also observed, extending the 

 work from pole to pole, in which 200,000 photographs are included. 

 Accompanied Nautical Almanac expdn. to observe total eclipse of 

 sun, Aug. 7, 1869 ; mem. TJ. S. Coast Survey expdn. to Xeres, Spain, 

 Dec. 22, 1870. Awarded Henry Draper medal for work on astron. 

 physics; gold medals, Rumford, 1891, Bruce, 1908, Roval Astron. 

 Soc, 1886, 1901. Mem. Nat. Acad. Sciences; hon. mem. of Socs. 

 at Mexico, Cherbourg, Liverpool, Toronto, Upsala and Lund; mem. 

 Royal Astron. Soc, Royal Instn. Acaad. dei Lincei, Royal Prussian, 

 and Royal Irish socs.. Royal Soc. of London, Institute de France, 

 Imperial Acad., St. Petersburg; pres. Astron. and Astrophys. Soc 



