Yutaka Taniyama (12 November 1927 – 17 November 1958) was a Japanese mathematician known for the Taniyama–Shimura-Weil conjecture. This conjecture inspired Andrew Wiles to work for a number of years in secrecy on it, and to prove enough of it to prove Fermat's Last Theorem (FLT). The correct proof of FLT was published in May 1995. Owing to the pioneering contribution of Wiles and the efforts of a number of mathematicians the Taniyama–Shimura-Weil conjecture was finally proven in 1999.
On 17 November 1958, Taniyama committed suicide. His enigmatic suicide note, which shows symptoms of stress and mental depression, mentions tiredness and a loss of confidence in his future. About a month later, Misako Suzuki, the woman whom he was planning to marry, also committed suicide, leaving a note reading: "We promised each other that no matter where we went, we would never be separated. Now that he is gone, I must go too in order to join him."
MORAL OF THE STORY : Algebraists are also human.