From Daily News on December 11, 2022:
Dr. John Nikol died peacefully on November 22, 2022 after a 3 year battle with Parkinson's and Lewy Body Dementia. He leaves behind his wife of 54 years, Harolyn, his children, Elizabeth and Timothy and his 4 brothers James, Paul, Robert and Peter. He joins in eternal rest his predeceased parents, Luise and Adam. He had a PhD in European history and taught for many years at both Fordham Prep and Stuyvesant High School. Teaching was his passion and he engaged students in a way that few educators could. A memorial mass is scheduled for January 7, 11am, at Our Lady of Mercy Church, Forest Hills, NY. Follow his Facebook page for info regarding a scholarship fund in his honor.