William Harold Neidlinger (July 20, 1863 – December 5, 1924[1]) was an American music pedagogue and composer.
He was well known for his musical compositions spanning from religious topics to children's entertainment and was active as a choral conductor and organist.
Before settling in Chicago in 1901, Niedlinger was a music teacher in Brooklyn Institute of Arts and Sciences and studied in Paris and London.
[4] He became the founder of a school for children with Intellectual disability.
[1] Neidlinger was also the composer[5] of multiple songs for Camp Fire Girls of America that were used for the social rituals at that time.