Summary His drive to help his deaf mother communicate led to one of the most important inventions of the 20th century.
Directed : Unknown
Written : Unknown
Stars : Peter Graves Harry Smith Robert J. Thompson Jack Perkins
Genres : History Biography Documentary
Release date : Aug 5, 1996
Countries of origin : United States
Language : English
Production companies : Atlas Media Actuality Productions Foxstar Productions
Summary His drive to help his deaf mother communicate led to one of the most important inventions of the 20th century.
Genres : History Biography Documentary
Release date : Aug 5, 1996
Countries of origin : United States
Language : English
Production companies : Atlas Media Actuality Productions Foxstar Productions
