William Leo Hansberry (February 25, 1894 – November 3, 1965) was an American scholar and lecturer. He was the older brother of real estate broker Carl Augustus Hansberry, uncle of award-winning playwright Lorraine Hansberry and great-granduncle of actress Taye Hansberry. Using only the above description and what you know about the world, "William Hansberry was 72 when he passed away." is definitely correct, incorrect, or inconclusive? 