Check winners and nominations of 1940 Henry Draper Medal.
Check awards winners of 1940 Henry Draper Medal.
(Click on the Award name to show winners and nominees)
(In recognition of his contributions to astronomical physics, more especially his pioneering work upon resonance spectra, his use of color filters in astronomical photography, and his development of methods for concentrating to a high degree the light from diffraction gratings in desired orders and regions of the spectrum.)
(In recognition of his contributions to astronomical physics, more especially his researches on the spectra and chemical composition of gaseous nebulae.)