Various documents relating to H. Grindell Matthews

Scope and Content

Papers relating to H. Grindell Matthews, inventor, 1880-1941

Administrative / Biographical History

H. Grindell Matthews was an inventor whose more famous inventions include the radio telephone, talking pictures and the death ray, which was pioneered in the 1920s and, following a certain amount of indifference from the British government, was subsequently sold to America. He also assisted with early television experiments. Grindell Matthews lived at Mynydd-y-Gwair, Llangyfelach. He married twice, to a former opera singer, Mrs Olive Waite, and to Madam Ganna Walska, from Poland.

Conditions Governing Access

No restrictions

Other Finding Aids

A hard copy catalogue is available at West Glamorgan Archives.

Conditions Governing Use

Usual copyright regulations apply.


Accruals are possible.