Paul Calle (1928 - 2010) and Chris Calle (B. 1961) "1960's - Robert F. Kennedy" Signed lower right. Mixed Media on Illustration Board. Provenance: Collection of James A. Helzer (1946-2008), Founder of Unicover Corporation. This painting was originally published on the Republic of the Marshall Islands 60c Political Assassinations Shock World stamp issued July 15, 1999. During the 1960s, the world was shocked by numerous political assassinations meant to alter the course of history. While traveling in his Dallas motorcade on November 22, 1963, President John F. Kennedy was shot by Lee Harvey Oswald. Shortly thereafter, the president's killer was himself shot in cold blood by Jack Ruby. Henrik F. Verwoerd, South Africa's prime minister, was murdered on September 6, 1966. On April 4, 1968, five years after his now-famous "I Have a Dream" speech in front of America's Lincoln monument, civil rights leader Martin Luther King, Jr. was assassinated. On June 5, 1968, Senator Robert F. Kennedy was killed by Sirhan Bishara Sirhan. On October 15, 1969, Abdi Rashid Ali Shermarke, president of Somalia, was murdered. The civilized world was forced to consider the staggering question of "why?" Image Size: 9.75 x 14 in. Overall Size: 14.5 x 20 in. Unframed. (B16479 / B16480)