The Pilot Of The Biplane Stated That While Taxiing, He Failed To Make S-Turns To Improve His Forward Visibility Analysis: The pilot receiving instruction and flight instructor of a single engine low wing airplane were completing a preflight engine run-up in the designated run-up area. The pilot of a tailwheelequipped biplane after landing was cleared by the tower controller to taxi to the company hangar. The pilot of the biplane stated that while taxiing, he failed to make S-turns to improve his forward visibility due to the tailwheel configuration. The pilot of the biplane reported that he never saw the other airplane until making contact.