Robin Williams who first made America laugh and eventually touched "every element of the human spirit" in a remarkable range of performances -- died at his Northern California home Monday. Williams apparently took his own life, law enforcement officials said. He was 63. "He has been battling severe depression of late," his media representative Mara Buxbaum told CNN. "This is a tragic and sudden loss. The family respectfully asks for their privacy as they grieve during this very difficult time.