1927 – Born in Los Angeles.
– An American astronomer.
– Is best known for his work on clusters of galaxies but was also a noted lecturer and author.
1958 – He published a catalog of 2,712 clusters and was preparing a catalog of southern clusters at the time of his death.
– Abell also determined the relative numbers of galaxies with various absolute magnitudes.
1983 – Died on October 7.