The mathematician Sir Francis died at the age of 88. Here is all you want to know, and more!
Biography - A Short Wiki
English Victorian polymath who created the statistical concept of correlation and introduced the use of questionnaires and surveys for collecting data on communities. He wrote over 340 books and papers and his 1869 book Hereditary Genius was the first social scientific attempt to study genius and greatness.
He got married to Louisa Jane Butler on August 1, 1853.