Lap Times: Notepaper written by Don Talbot in early 1958, showing John's 55 yard splits adding up to 440 yards in 4:25.6 - well under the current world record. Another notepaper written by Frank Guthrie at 1956 pre-Olympics training camp, where John was pacing Lorraine Crapp to become the fi rst woman to break the 5 minute barrier for the 440 yards and create a new world record. on the 23rd August 1956 Crapp was successful, swimming 4:58. (2 items)