Rick,

FADAC explained his acronym in some other thread (Ipm at work, so I'm not searching for it). He helped maintain some sort of artillery fire control devices for the Army and his job title was FADAC.

I don't know about Catspaw. I notice that his hammered dulcimers have a cat's paw carved out of the sound board and at one point he noted that he is no longer "49". Seems his in the fifties like you and I.

Big RiB