Conversation so far:
where is the welcome to las vegas sign located
The sign is located in the median at 5100 Las Vegas Boulevard South, north of the historic stone pillars of the old McCarran International Airport on the east side.
when was the welcome to las vegas sign built
The sign was built and installed in 1959 by Las Vegas-based Western Electric Displays (aka Western Neon) under contract with Clark County

Question: who designed the sign
Self-contained rewrite: who designed the welcome to las vegas sign