Swimming World Championships 1978 at West-Berlin (wge) Men: 100 m Butterfly August 26: Final: 1. Joe Bottom (usa) 54.30 2. Greg Jagenburg (usa) 55.26 3. Par Arvidsson (swe) 55.38 4. Roger Pyttel (ege) 55.40 5. Dan Thompson (can) 55.43 6. Klaus Steinbach (wge) 55.90 7. Miloslav Rolko (czs) 55.96 8. Kees Vervoorn (net) 56.27