Conversation so far:
Where did Lowell Thomas begin Lowell Thomas's career?
broadcaster with the CBS Radio network.
What year was this?
1930.
What did he do for them?
delivering a nightly news and commentary program.
How long did this last?
After two years.

Question: What was his next job?
Self-contained rewrite: What was Lowell Thomas's next job after working with the CBS Radio Network?