Former State Resident New♦! Boss of Nazis! MILWAUKEE (AP)- Matthi-1 as Koehl, who became the rank-' ing officer of the American Na-1 zi Party with the slaying of George Lincoln Rockwell, is a former Wisconsin resident whose father once remarked he could not see eye-to-eye with his son.Koehl’s parents, Mr. and Mrs. Matthias Koehl Sr., declined comment late Friday when asked their opinion of the possibility of their son becoming the new chief of the party.The senior Koehl was quoted some years ago as saying: “I never could straighten things out with him. He never could confide in me. He seemed to have some kind of resentment. He was more talkative to his mother.”Ttie younger Koehl, 32, was graduated from a Milwaukee high school in 1952 and worked in a New York print shop before returning to study journalism at the University of Wis-consin-Milwaukee.