E.F. Johnson Company The Golden Record of Johnson and Radio CD. Material: plastic, metal. Size: 5" x 5 1/2" case; 4 1/2" diameter disk. Description: clear plastic case, black plastic back; CD contents: E. F. Johnson Golden Record Johnson and the Radio Company. Optical Disk CD, EF Johnson Company The Golden Record of Johnson and Radio related by Edgar F. Johnson on the 50th Anniversary of the company he founded in 1923. 1973 and 2004.