It says there that Einhorn's claim to have been involved in the Earth Day founding is completely untrue.
But I tend to think some lying Wiki editor has been at work.
I could be mistaken, but I don't recall an active disassociation until he was returned to the US to await a trial without fear of the DP.
Until then, he was considered an anti-establishment hero by the loonies.
He foreshadowed what a boob Specter was to be.