oseph Callaerts (1879-1947) was a Belgian composer and organist. He was born in Antwerp, Belgium, and received his musical education at the Antwerp Conservatory, where he studied composition with Peter Benoit and organ with Frans de Feyter. Callaerts is known for his organ music and choral works, as well as his symphonies and other orchestral pieces.
Callaerts was also active as an organist and served as the organist of the St. James’s Church in Antwerp for many years. In addition to his composing and performing activities, Callaerts was also a respected teacher, and taught at the Antwerp Conservatory and other institutions.