ALBANY, N.Y. – A new research paper takes a swipe at the popular image of Alexander Hamilton as the abolitionist founding father, citing evidence he was a slave trader and owner himself.“Not only did Alexander Hamilton enslave people, but his involvement in the institution of slavery was essential to his identity, both personally and professionally,” Jessie Serfilippi, an interpreter at a New York state historic site, wrote in a paper published last month.Hamilton is almost universally depicted as an abolitionist in popular modern works, from Ron Chernow’s 2004 biography, “Hamilton,” to Lin-Manuel Miranda’s Tony Award-winning show, “Hamilton: An American Musical.”But after poring over ledgers and correspondence of Hamilton and his wife,.