Antha Minerva Virgil

Antha Minerva Patchen Virgil Bergman (c. 1852-1939) was an American author, composer, and music educator who helped develop and patent the Virgil silent practice keyboard, also known as the Virgil clavier. She used the name "Antha M. Virgil" professionally.

Antha Minerva Virgil

Antha Minerva Patchen Virgil Bergman (c. 1852-1939) was an American author, composer, and music educator who helped develop and patent the Virgil silent practice keyboard, also known as the Virgil clavier. She used the name "Antha M. Virgil" professionally.