Returning to South Africa , he founded and was commander in charge of the Brenthurst Military Hospital , which he founded .
Here , Penn trained in military plastic surgery under Sir Harold Gillies and Sir Archibald McIndoe .
Returning to South Africa , Harold Gillies founded and was commander in charge of the Brenthurst Military Hospital , which Harold Gillies founded .
Here , Penn trained in military plastic surgery under Sir Harold Gillies and Sir Archibald McIndoe .