26.FRUITY

X was a famous mathematician and code-breaker. He worked for his country against their enemies in World War II and managed to solve many encrypted codes. In spite of his patriotism, he was suspected and was tried for treason. The court declared him guilty and he was imprisoned and subjected to cruel punishments. Unable to bear the humiliation, he committed suicide by eating a poisoned fruit. Legend has it that a company headed by Y attributes its logo to this incident. Identify X andY.