Conversation so far:
What kind of work did David Attenborough do before working at BBC?
After leaving the Navy, Attenborough took a position editing children's science textbooks for a publishing company.
Did he like this type of work?
He soon became disillusioned with the work and in 1950 applied for a job as a radio talk producer with the BBC.
What did he do at the BBC?
he accepted Adams' offer of a three-month training course, and in 1952 he joined the BBC full-time.
Did he like being filmed?
discouraged from appearing on camera because Adams thought his teeth were too big.

Question: What kind of work did he first do at BBC?
Self-contained rewrite: What kind of work did David Attenborough first do at BBC?