Josef Mengele was born on March 16, 1911.
Yes, he did indeed. Although Hitler never visited an operational concentration camp, he met Hitler and Himmler in Berlin in 1941. He was introduced to Hitler by his boss Verschuer. He met Hitler again during the funeral of Romel.
Josef Zawinul was born on July 7, 1932.
Josef Clemens was born on June 20, 1947.
Josef Suk was born on January 4, 1874.
Josef Masopust was born on February 9, 1931.
Josef Frings was born on February 6, 1887.
Josef Breuer was born on January 15, 1842.
Josef Mysliveček was born on March 9, 1737.
Josef Čapek was born on March 23, 1887.
Josef Vašíček was born on September 12, 1980.
Josef Lada was born on December 17, 1887.
Josef Lhévinne was born on December 13, 1874.