I found it on my Facebook page of all places.
Hal Rayle wrote:Hal Rayle
7 h ·
My heart goes out for fellow voice actor Jack Angel. RIP Jackson ... I'm sure the stories are already flying and the jokes are landing. It was a pleasure working with you. #JackAngel #transformersg1
Wikipedia wrote:Jack Angel's passing was announced on October 19, 2021, 5 days before his 91st birthday. No cause of death was given