Helmut Walcha

Helmut Harrison Walcha (27 October 1907 – 11 August 1991) was a blind German organist, harpsichordist, music teacher and composer who specialized in the works of the Dutch and German Baroque masters.

Blind since his teenage years, he is known for his recordings of the complete organ works of Johann Sebastian Bach, entirely played from memory.

Read more about this composer on Wikipedia.