Claim: D.D. Balam thought he found 4789 Sprattia in 1987 but it was already named by Christopher E. Spratt.
Evidence: It was discovered on 20 October 1987, by Canadian astronomer David Balam at the Climenhaga Observatory (657) in Victoria, Canada. David D. Balam /ˈbeɪləm/ is a Canadian astronomer and a research associate with University of Victoria's Department of Physics and Astronomy, in Victoria, British Columbia. 
Christopher E. Spratt
(Canadian astronomer)