BornPhiladelphia, Pennsylvania, USA, 4 April 1918
DiedWeston, Massachusetts, USA, 4 August 1980
As a member of the Sky & Telescope staff from 1953 until his death, and its editor from 1964, Joseph Ashbrook augmented the high editorial and scientific standards established by its founders, Charles Federer and his wife Helen Federer. Ashbrook joined Sky & Telescope after receiving a Ph.D. from Harvard University in 1947 and teaching at Yale University (1946–1950) and Harvard University (1950–1953). His academic teaching career was compromised by a speech impediment, but as an editor, he taught by example through his dedication to clear and accurate writing.
Ashbrook’s longest-lasting scientific contribution was the determination of the rotation period of Mars, which was incorporated in the American Ephemeris and Nautical Almanacfrom 1960 to 1983. He is also remembered for his discovery, in 1948, of periodic comet 47P/Ashbrook-Jackson. Ashbrook loved to compute things, almost...
- Ashbrook, Joseph. (1984). The Astronomical Scrapbook, edited by Leif J. Robinson. Cambridge, Massachusetts: Sky Publishing Corp.Google Scholar
- Bok, Bart J. et al. (1980). Joseph Ashbrook: “Renaissance Man.” Sky & Telescope 60, no. 4 (1980): 281–284. (See especially Clark Chapman’s contribution, pp. 281–282.)Google Scholar