Wow...Friday nights...after Brady Bunch and before Room 222.
I was less than 10 when Partridge Family started, but it was probably my first 'fan' experience....TV, record albums, #1 single, trading cards....crazy to think about now.
Not sure what else he ever did, but in the early/mid 70's he (and Susan and the others) were certainly on top of the world
https://www.youtube.com/watch?v=S3fPtMuBtMs
RIP