Orlando R. Marsh

Orlando R. Marsh (August 6, 1881 – September 7, 1938) was an electrical engineer raised in Wilmette, Illinois. In early 1920s Chicago, Illinois he pioneered electrical recording of phonograph discs with microphones when acoustic recording with horns was commonplace. His firm Marsh Laboratories, Inc., founded in 1922, at one time was located on the seventh floor of the Lyon & Healy Building near the corner of Wabash and Jackson in Chicago. The Marsh firm no longer exists but the building still stands and is part of DePaul University.(1)

Orlando R. Marsh

Orlando R. Marsh (August 6, 1881 – September 7, 1938) was an electrical engineer raised in Wilmette, Illinois. In early 1920s Chicago, Illinois he pioneered electrical recording of phonograph discs with microphones when acoustic recording with horns was commonplace. His firm Marsh Laboratories, Inc., founded in 1922, at one time was located on the seventh floor of the Lyon & Healy Building near the corner of Wabash and Jackson in Chicago. The Marsh firm no longer exists but the building still stands and is part of DePaul University.(1)