Sir Edward William Elgar, 1st Baronet OM, GCVO (2 June 1857 – 23 February 1934) was an English composer, many of whose works have entered the British and international classical concert repertoire.

His works include the musical cryptogram the Enigma Variations.

He also created the Dorabella Cipher.

More information on the Wikipedia page [1].

A website devoted to him here [2].