Sir Edward had his faults, but he put a lot of himself (and his money) into making Taronga a great zoo for its time.
Spiffy suit aside, he was certainly a prominent figure and even in the UK, in my youth his name was very familiar in relation to both Australian wildlife & Taronga Park.
They were lucky with the Giraffe. In the 1970's a similar accident befell a male Giraffe' Victor' at Marwell in the UK. That one never got up again, though it became world news for a few days.