Willy Gretor, born Vilhelm Rudolf Julius Petersen (16 July 1868, in Wundlacken Castle, near Königsberg – 31 July 1923, in Copenhagen), was a Danish painter...

Vilhelm Petersen, who had lived in Paris since 1890 under the name Willy Gretor. Gretor was an art dealer and former painter who had lived a very Bohemian lifestyle...

Georges Lacombe, French sculptor and painter (died 1916) July 16 – Willy Gretor, born Vilhelm Petersen, Danish-born painter and art dealer (died 1923) October...