Conversation so far:
How many aircraft did Glenn Curtiss's factory produce during World War 1?
Curtiss created the JN-4 "Jenny" for the Army, and the N-9 seaplane version for the Navy.

Question: How many employees did his company employ in Buffalo during World War 1?
Self-contained rewrite: How many employees did Glenn Curtiss' company employ in Buffalo during World War 1?