...how a person ends does not invalidate how he started, or his achievements in the middle of his life.
Van Gogh was a brilliant artist. He committed suicide.
Was he a total failure, unworthy of study?
No. He is acknowledged as one of the greatest artists of all time.
Vincent van Gogh short Biography
Here is another kind of artist, no less accomplished in his kind of art:
Jesse Livermore short Biography
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