<human>:  Who is the man in the book ‘The Man Who Knew Infinity Bright, John’?
<bot>: The man in question is Srinivasa Ramanujan, a brilliant mathematician from India. He published a series of papers on mathematics in the early 1900s that were revolutionary and inspired many mathematicians and scientists. He also had a very interesting life. He died at the age of 32 from tuberculosis.