Dietrich Fischer-Dieskau

Dietrich Fischer-Dieskau (28 May 1925 – 18 May 2012) was a German lyric baritone and conductor of classical music, one of the most famous Lieder (art song) performers of the post-war period, described as "one of the supreme vocal artists of the 20th century" and "the most influential singer of the 20th Century". Fischer-Dieskau was ranked the second greatest singer of the century (after Jussi Björling) by Classic CD (United Kingdom) "Top Singers of the Century" Critics' Poll (June 1999).

source: Wikipedia