May God bless you and your...
My father Dr. Carl Winkler often spoke of Jack over the years. He was his Ph.D student in the Chemistry Dept at McGill University in Montreal must have been in the early 50s. He always said Jack would go far which is indeed what happened. I saw Jacks In Memoriam in the McGill News.
July 11, 2018 | Regina, SK | Acquaintance