Dirk Reuyl
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Dirk Reuyl (1906 – 1972) was an American physicist and astronomer.
He worked on the parallax of stars, first publishing a list of 50 measurements in 1929. In 1941 he published is work on obtaining the angular diameter of Mars using photographic plates. He claimed to have co-discovered (with Erik Holberg) a smaller companion of the star system 70 Ophiuchi in 1943, with about a mass of 10 times of Jupiter and a 17 year period. Recent observations have not reproduced this results.
A crater on Mars was named in his honor.
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