I went to  http://www.azurrestaurant.com/index.php/about yagara cap  The father of the theory of nuclear chain reaction, Hungarian phycisist Leﾃδｳ Szilﾃδ｡rd, wrote a petition to President Truman in July, 1945 pleading with him not to drop a bomb on Hiroshima. The petition was signed by 68 other scientists. He had also written a letter to President Franklin D. Roosevelt after the capitulation of Germany in which he recommended the restriction of atomic bomb use. But Roosevelt died before he could read the letter.