4576 P-L. Discovered 1960 Sept. 24 by C. J. van Houten and I. van Houten-Groeneveld at Palomar.

Named in honor of Jacobus Albertus Bruwer {1915– }, former staff member of the South African Astronomical Observatory in Johannesburg. He is well-known for his observational work on positions of minor planets with the Franklin-Adams camera at Hartbeespoort. (M 4547)