1981 EQ21 . Discovered 1981 Mar. 2 by S. J. Bus at Siding Spring.

Named in honor of Joseph A. Pearce {1893-1988}, who joined the staff of the Dominion Astrophysical Observatory in 1924 and served as its director from 1940 to 1951. Together with J. S. Plaskett {see planet (2905)}, he conducted studies of the motions of distant early-type stars that established the reality of galactic rotation. An active promoter of both science and culture, he served as president of the Royal Society of Canada in 1949-50. (M 13481)

Name suggested and citation prepared by J. C. Cunningham, endorsed by P. M. Millman.

Obituary published in J.R. Astron. Soc. Canada, Vol. 83, No. 1, p. 3-7 (1989).

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