The man pictured there is George Cansdale. He is, in essence, the godfather of all of the fantastic BBC wildlife programs we get today from the likes of David Attenborough. On the very first nature programs on the BBC, Cansdale would bring zoo animals into the studio for the benefit of the television viewing audience…the live television viewing audience.
I was listening to one of Attenborough's audiobooks, where he discusses one of his own earliest television adventures, Zoo Quest for a Dragon from 1957. In explaining some of the live shenanigans that the zoo animals would sometimes get up to while in the studio with Cansdale, he shared this: