Leaving and rejoining the band. Who did, and when?

[thr33]

Which instances would you count in this? Al going to dental school probably counts, as does Bruce leaving in 72 and coming back to produce LA. Beyond that it gets a little trickier.

Does Carl embarking on his solo tour count as leaving the band and rejoining? Or just taking a break from the touring band? Likewise, Brian's time off from touring while he stayed home to write/arrange/produce probably don't count. But what about periods when he was neither touring nor recording music for the band for at least a few months or more? Mike probably never left, though I guess it depends on if you count his hiatuses in 68 and 77 for (I believe) TM. Dennis at the end wasn't touring with the band, but they weren't really recording much either, so it's not like he missed out on all that much.

[rab2591]

https://en.wikipedia.org/wiki/The_Beach_Boys#Members

Here's a helpful little chart from Wikipedia. Doesn't answer all of your questions but it gives a broad overview of the information at least.