Prolific American inventor (1873-1961) often referred to as 'the father of radio' for his pioneering work in wireless telegraphy. Vintage glossy 4 x 5 photo of Lee de Forest in his lab coat, signed and inscribed in fountain pen, "To Jim Schendel, with best wishes, Lee de Forest.” In very good to fine condition, with a light crease passing across de Forest's face. Encapsulated in a PSA/DNA authentication holder.
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