Conversation so far:
Where did American musician, Moondog play the drums?
Moondog played drums for the high school band in Hurley, Missouri before losing his sight at the age of 16 in a farm accident on July 4, 1932.
When was Moondog in a farm accident?
Moondog lost his sight at the age of 16 in a farm accident on July 4, 1932.
When did Moondog move to New York?
In 1943, Moondog moved to New York.
When did Louis Thomas Hardin get his nickname Moondog?
By 1947, Hardin had adopted the name Moondog in honor of a dog who used to howl at the moon more than any dog I knew of.

Question: Who first noticed him?
Self-contained rewrite: Who first noticed Moondog during his early life?