In his book The Mathematical Universe, mathematician William Dunham wrote of John Venn’s namesake legacy, the Venn diagram, “No one in the long history of mathematics ever became better known ...

He was born May 10, 1943, in Oshkosh, WI, the son of Jack and Arlene Pollack. In 1954 after his mother’s death, he was adopted by Wilbur and Verna Angel Haase. Ron was educated in Berlin schools and ...

Ronald James Haase, age 81, of Berlin, died peacefully on Saturday, January 11, 2025, at Juliette Manor in Berlin. He is survived by his wife of 45 years, Judy; brothers, Roger (Jean) Haase and ...