Conversation so far:
Where did Lowell Thomas begin his career?
Lowell Thomas and cameraman Harry Chase first went to the Western Front, but the trenches had little to inspire the American public.
What year did Lowell Thomas go to the Western Front?
During his 1917 visits to the battlefields, Lowell Thomas learned that the British had named General Edmund H. H. Allenby, as their new commander in chief in Egypt.
What did Lowell Thomas do for General Allenby?
Lowell Thomas traveled to Palestine as an accredited war correspondent of the British Foreign Office, where he met T. E. Lawrence, a captain in the British Army stationed in Jerusalem.
How long did Lowell Thomas's meeting with T. E. Lawrence last?
Lowell Thomas and Chase spent several weeks with Captain T. E. Lawrence in the desert, although Lawrence had told them that it would be several days.
What was Lowell Thomas's next job after meeting with Captain Lawrence?
Lowell Thomas was a magazine editor during the 1920s, but he never lost his fascination with the movies.

Question: How long did this last?
Self-contained rewrite: How long did Lowell Thomas's fascination with what was then known as movies last?