Alexander Melville Bell was a teacher and researcher of physiological phonetics and was the author of numerous works on orthoepy and elocution.
Additionally he was also the creator of Visible Speech which was used to help the deaf learn to talk,... Wikipedia
Born: March 1, 1819, Edinburgh, United Kingdom
Died: August 7, 1905 (age 86 years), Washington, D.C.
Parents: Alexander Bell
Children: Alexander Graham Bell, Melville James Bell, and Edward Charles Bell
Spouse: Eliza Grace Symonds (m. 1844–1897)
Grandchildren: Elsie Bell, Marian Hubbard Bell, Robert Bell, and more