Stephen Hawking is the British theoretical physicist who beat the odds his entire life.<br />He's died at age 76.<br />A spokesman for his family confirmed his death to The Associated Press.<br />Hawking was as famous for his insights on black holes.<br />He also spoke extensively on the existence of God.<br />At age 21 he was diagnosed with ALS.<br />He was given two years to live.<br />He defied their grim prognoses decade after decade.<br />He is survived by his three children. <br />