Bernard Bragg (1928-2018) was a Deaf actor, performer, producer, director, playwright, teacher, and co-founder of the National Theatre of the Deaf. He's known for the work of "visual vernicular". Gallaudet alumnus of 1952.
"Life and Works of Bernard Bragg". http://bernardbragg.com
Bernard Bragg - Wikipedia. https://en.wikipedia.org/wiki/Bernard_Bragg