Crossword puzzle clue "were here before"

"Wish you were here—__ were there"

"Here, Here and Here" (___ & Dia)

Were here before

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

Many Cajuns were exiled from here

1974 #1 double album that included Peter Cetera's "Wishing You Were Here"

Pink Floyd smokable on "Wish You Were Here"

Writes "Wish you were here"