Today is a sad day. We lost another great American hero and a man never afraid to shy away from controversy. Rest in peace, Edgar Mitchell, you've certainly earned it!

Today is a sad day. We lost another great American hero and a man never afraid to shy away from controversy. Rest in peace, Edgar Mitchell, you've certainly earned it! - Edgar Mitchell, who 45 years ago became the sixth man to walk on the moon, died on Thursday (Feb. 4), the day before the anniversary of his lunar landing. He was 85.