Donald Howard Menzel (April 11, 1901 – December 14, 1976) was one of the first theoretical astronomers and astrophysicists in the US. He discovered the physical properties of the solar chromosphere, the chemistry of stars, the atmosphere of Mars, and the nature of gaseous neblulae.
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“She does not realize that the only difference between us is that she is on one stage and I on another. I feel that I am acting just as much as she is.”
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