Henry Kloss was mentioned in episode 005: Ghost Radio. Here's some background info about the great man himself:

Born in 1929, Henry Kloss was a prominent American audio engineer and entrepreneur who helped advance high fidelity loudspeaker and radio receiver technology beginning in the 1950s. He was responsible for a number of innovations, including, in part, the acoustic suspension loudspeaker, and the high fidelity cassette deck. He died in 2002.

More here: https://en.wikipedia.org/wiki/Henry_Kloss