Crossword puzzle clue "put 'em together as it were"

Put 'em together, as it were

Put together together

Particle physicist whose findings were first accepted by Einstein, but later were shown to be fraudulent

"Wish you were here—__ were there"

They were once together

"The arms of the garment were stitched together from previously worn shirts..."

Band whose song titles were mashed together in this theme

It's zero in free-fall—and, put another way, a hint to how the four longest puzzle answers were formed