This was Horace Mann. He helped create and design the first educational system in the United States, he was the Massachusetts' Secretary of the Board of Education and he started the "Mann's Six Principles", which were his thoughts of how he would choose decisions. He did a lot for schooling and shaped it how it really is today.
Had Jewish ancestors. This was different from historic anti Semitism because it defined Jewishness as hereditary (race) rather than by practice (religion). Three categories of Jews were created: "Full Jews," who either practiced Judaism or had at least 3 Jewish grandparents, regardless of religious practice; "First Class Mischlinge" (Half Jewish), who had 2 Jewish grandparents, didn't practice Judaism, and didn't have a Jewish spouse; and "Second Class Mischlinge" (One Quarter Jewish) who had one Jewish grandparent and did not practice Judaism
The Pinckney treaty was the first treaty between spain and united states. I think it ended in 1996 hoped this helped