Conversation so far:
What kind of work did David Attenborough do before working at BBC?
David Attenborough took a position editing children's science textbooks for a publishing company.
Did David Attenborough like this type of work?
David Attenborough soon became disillusioned with the work and in 1950 applied for a job as a radio talk producer with the BBC
What did David Attenborough do at the BBC?
David Attenborough became a producer for the Talks department
Did David Attenborough like being filmed?
Initially discouraged from appearing on camera because Mary Adams thought David Attenborough's teeth were too big.
What kind of work did David Attenborough first do at BBC?
David Attenborough became a producer for the Talks department
What kind of things did David Attenborough produce for the department?
David Attenborough early projects included the quiz show Animal, Vegetable, Mineral? and Song Hunter, a series about folk music presented by Alan Lomax.

Question: What type of work did they do with London Zoo?
Self-contained rewrite: What type of work did David Attenborough do with London Zoo?