I think the only one who retired during the early decline was Rumbaugh; as one person told me, "he got out while the going was good." Grady Booch left modeling

I think the only one who retired during the early decline was Rumbaugh; as one person told me, "he got out while the going was good." Grady Booch left modeling later. Ivar Jacobson is still around, though now he pitches his Essence framework. I always got the feeling he was the least "amigo" of the three, which makes sense given he joined due to a hostile takeover.