Claim: 1991 JT is a background asteroid from the middle regions of the asteroid belt which was discovered on 7 May 1991 by Reg Sprigg in the Siding Spring Observatory.
Evidence: It was named after Australian geologist Reg Sprigg. 
Reg Sprigg
(Australian geologist) 
This minor planet was named after Reg Sprigg (1919–1994), Australian exploration geologist, oceanographer, biologist, author and conservationist.