Three well-known icons of sprint car racing with ties to the Knoxville Raceway will be inducted in the new Iowa Hall of Fame and Racing Museum in Webster City on March 24th. The late Marion Robinson, the originator of the Knoxville Nationals, along with the late Ralph Capitani, who took the Knoxville Nationals to national prominence, and the late Bob Trostle, who was a builder of sprint cars and Nationals winners for many decades will be inducted. The event will begin at six P-M with induction ceremonies at seven and is open to the public. For tickets call 515-570-5646.