What is haldeman?

Some articles on haldeman:

Race Across America - History
... There were four competitors, John Marino, John Howard, Michael Shermer, and Lon Haldeman ... Haldeman won. 1982 race Finish Winner Home Time Average Speed 1 Lon Haldeman Harvard, IL 9d 20h 02m 12.57 mph 2 John Howard Houston, TX 10d 10h 59m 11.83 mph 3 Michael Shermer Tustin, CA 10d 19h 54m 11 ...