1958 Press Photo Charles M. Modell, vice-president of Aero Service Corporation

Charles M. Modell, vice-president of the Aero Service Corporation, Philadelphia, and international air survey company, will speak at a meeting of the Louisiana section, American Society of Civil Engineers at 8 p.m. Monday in the Engineers' Club. His topic will be "How Photogrammetry Aids the Engineer."

Photo is dated 1958.

Photo measures 8 x 10 inches.