Eli Brucker - whom I know nothing about other than the odd anecdote - worked for the Fleischer Studio animating in Seymour Kneitel's and Dave Tendlar's crews. After the move to Miami it looks like he disappeared from the business.
For Better Or Worser
The 'Hyp-Nut-Tist'
I Wanna Be A Lifeguard
UPDATE: Check out the comments for some biographical information on Eli Brucker.