Ejnar Hertzsprung Professions : Chemist Born : October 8, 1873 Died : October 21, 1967 Browse All Authors Famous Quotes by Ejnar Hertzsprung In my opinion the separation of the c- and ac-stars is the most important advancement in stellar classification since the trials by Vogel and Secchi ... To neglect the c-properties in classifying stellar spectra, I think, is nearly the same thing as if a zoologist, who has detected the deciding differences between a whale and a fish, would continue classifying them together. Ejnar Hertzsprung stars science thinking Similar Authors Auguste Laurent chemist August Wilhelm von Hofmann chemist August Kekule chemist Ascanio Sobrero chemist Antoine Lavoisier chemist Antoine Bechamp chemist All Authors