Donald M. Hennigar (b.1887 d.1951-06-29) was an amateur telescope maker and active member of the RASC, London Centre. He served as vice president of the London Centre during 1936-1938. He was staff architect with the London Life Insurance Company. A 20cm telescope built by Hennigar in 1932 was presented to the Dorner Telescope Museum on 2022-03-23.
Name proposed and citation prepared by Peter Jedicke and Robert Jedicke.
Orbit type: Main Belt Asteroid
Reference: MPC 49099