On 3/11/21 6:12 PM, Bob Smith via cctalk wrote:
  My recollection was the Linc was inspired by the
Whirlwind. Whirlwind
 predates it by a few years. 
 Tom Stockebrand is the connecting link between all of these tape systems.
 I don't know if he was involved with the original Raytheon tape design
 for Whirlwind but he is known to have work on the tape system for the
 Memory Test Computer and certainly would be aware of how the WW tape
 system worked.