I saw floppy-disk Walkman in 1961 in Helsinki. It was a dictaphone using brown circular pieces of floppy plastic. A doctor was using it, trying to decide if I h

I saw floppy-disk Walkman in 1961 in Helsinki. It was a dictaphone using brown circular pieces of floppy plastic. A doctor was using it, trying to decide if I had tuberculosis or tapeworm. I had rickets.