Clyde Tombaugh’s Death – Cause and Date

Born (Birthday)

Feb 4, 1906

Death Date

January 17, 1997

Age of Death

90 years

Cause of Death

Heart Failure



The astronomer Clyde Tombaugh died at the age of 90. Here is all you want to know, and more!

Biography - A Short Wiki

Astronomer who discovered Pluto, which is no longer considered a planet. He discovered nearly 800 asteroids as well as numerous stars and galaxy clusters.

He married Patricia Esdon in 1934, the couple had two children.



“I think there’s a supreme power behind the whole thing, an intelligence. Look at all of the instincts of nature, both animals and plants, the very ingenious ways they survive. If you cut yourself, you don’t have to think about it.” (Clyde Tombaugh)


“I used to think about how nice it would be to visit the planets. Of course, I didn’t expect to see in my lifetime what has happened. I knew it would happen some day, but it came along faster than I at first thought.” (Clyde Tombaugh)


“The planets are never the same twice, they’re always different, so they could compare the markings I had drawn with their current photographs and they knew that I was drawing what I was really seeing and it wasn’t copied from somewhere.” (Clyde Tombaugh)


“Can you imagine young people nowadays making a study of trigonometry for the fun of it? Well I did.” (Clyde Tombaugh)


“I thought I’d better check this third plate, which is another date, see if there’s an image there in the right place that would be consistent with the images on the other plates. That was the final proof.” (Clyde Tombaugh)