" I remember hearing my mom tell me a story about it when we drove out to the airport .. actually every time we drove out to LaGuardia airport."
Mom must have heard it from her parents (Warren and Kay.)
Here's more about the bombing:
"It was a tragedy, but it could have been worse. Police Commissioner Lewis Valentine noted that it was only a miracle that hundreds of fairgoers weren't killed." The quote is from an NPR story from last year
There's an open $26,000 reward for solving the case. Apparently there were two bombings in the previous two-week period; one at the building that housed the German Consulate and one in the building that housed the Daily Worker, the Communist newspaper.
At the 1964 World's Fair a plaque was laid to remember the courageous detectives.
Here's an online memorial to the detectives