Renowned mathematician Vashishtha Narayan Singh passed away at the age of 74 today at Patna Medical College and Hospital. He was suffering from mental disorder Schizophrenia since he was 40. CM Nitish Kumar visited his residence to pay tribute. Vashishtha Narayan Singh was known for challenging theories of Albert Einstein. Vashishtha Narayan passed away at the age of 74 at Patna Medical College and Hospital.