22 episodes, 1962-1964, Ross-McElroy Productions
"Produced in the various laboratories of the Argonne National Laboratories in Chicago, CHALLENGE is designed to convey the excitement of scientific research. It deals in part with the motivations that lead a person toward a career in scientific research. A number of projects, including the possibilities and development of peaceful uses for the atom, are examined. Guests who appear during the series are staff members at the Argonne National Laboratories. CHALLENGE was produced for N.E.T. by Ross-McElroy Productions of Chicago. Producer: David McElroy. Director: Clifford Braun. Writers: David McElroy and John Suchy, CHALLENGE was produced under a grant from the U.S. Atomic Energy Commission’s Argonne National Laboratories."