Bernie was an incredibly generous man who helped me get emacs working on my home terminal, which wasn't previously supported -- an enormous CDC713 that I found used somewhere, and initially was used with a 300 baud modem. Looked a lot like this: https://deskthority.net/viewtopic.php?t=11496
Control Data Corporation CC609D terminal - deskthority

That "was" doesn't mean is no longer, but just when I knew him. I was sad to see him leave Multics in 1980 before I started working there (in 1983), but I did get to meet him in Cambridge when he was at Symbolics. https://en.wikipedia.org/wiki/Bernard_Greenberg
Bernard Greenberg - Wikipedia