Discovered 1973 Sept. 29 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.

Alfred H. Joy (1882-1973) was an astronomer at the Mount Wilson Observatory from 1915 to 1973 who measured spectroscopic parallaxes and radial velocities of stars and studied variable stars. He invented the T Tauri classification.

1693 Hertzsprung (1935 LA) is a main-belt asteroid discovered on May 5, 1935 by Hendrik van Gent at Johannesburg (Leiden Southern Station).

Ejnar Hertzsprung (8 October 1873 – 21 October 1967) was a Danish chemist and astronomer.

Hertzsprung was born in Copenhagen. In the period 1911–1913, together with Henry Norris Russell, he developed the Hertzsprung–Russell diagram.

3572 Leogoldberg (1954 UJ2) is a main-belt asteroid discovered on October 28, 1954 by Goethe Link Observatory at Brooklyn.

1919 Clemence (1971 SA) is an inner main-belt asteroid discovered on September 16, 1971 by Gibson, J. and Carlos Ulrrico Cesco at El Leoncito. It is named for American astronomer Gerald Maurice Clemence.

Gerald Clemence (16 August 1908 — 22 November 1974) was an American astronomer. Inspired by the life and work of Simon Newcomb, his career paralleled the huge advances in astronomy brought about by the advent of the electronic computer. Clemence did much to revive the prestige of the U.S. Nautical Almanac Office.

Discovered by the Indiana Asteroid Program, Goethe Link Observatory, University of Indiana. This program was conceived and directed by F. K. Edmondson; the plates were blinked and measured astrometrically by B. Potter and, following her retirement, by D. Owings; and the photometry was performed under the direction of T. Gehrels. During the years 1947-1967, in which the plates were exposed, a large number of people participated in various aspects of the program.

(1983) Bok is an asteroid discovered June 9, 1975 by Elizabeth Roemer. It is named for astronomers Bart Jan Bok and Priscilla Fairfield Bok. Bart Jan Bok (Hoorn, 28 April 1906 – Tucson, 5 August 1983) was a Dutch-American astronomer.

1905 Ambartsumian (1972 JZ) is a main-belt asteroid discovered on May 14, 1972 by Smirnova, T. at Nauchnyj.

1560 Strattonia (1942 XB) is a main-belt asteroid discovered on December 3, 1942 by E. Delporte at Uccle.

Frederick John Marrian Stratton FRS (16 October 1881 – 2 September 1960) was a British astrophysicist and Professor of Astrophysics at the University of Cambridge from 1928 to 1947.

He was born in Birmingham and graduated in 1904 from Gonville and Caius College, Cambridge.