That gentleman was Cosmo Brown. He and his people hacked that place out with machetes, manicured the grounds and gradually created the compound that became Cosmos. We happened to land by boat on the way to Booby Cay to borrow snorkel gear from the girlfriend of the boat owner. She worked for Mr Brown at that time. Year after year we always went to Cosmos (by car) and I made a point of always chatting with Mr. Brown. After who knows how many trips he stopped by to chat and again remembered me. He excused himself and returned a few minutes later and presented me with a yellow Cosmos polo shirt "for my long time friend and good customer." It's still a prized possession which I rarely wear to avoid it wearing out before I do.
Few visitors would ever guess that Mr. Brown was a very savvy politician in local government, JUTA board and other matters. But the property was owned by the JA government (part of the park next door) and they refused to sell it to him. Then the government turned right around and sold it to Beaches for their expansion. Cosmos was evicted from the property and the gate was padlocked. By this time Mr. Brown was elderly and becoming frail. I was told he spent his final days somewhere up the hill with a son, who took care of him at the end. It was a glorious era.