Scotland's most successful Commonwealth medallist by total medals is shooter Alister Allan, with 3 Gold, 3 Silver and 4 Bronze medals from 1974 to 1994. In 2018, Lawn Bowler Alex Marshall became the most successful athlete by Golds, winning his fifth Gold Medal which gave him 6 overall, having also won a Silver at the Gold Coast Games. Other successful medallists include athlete Allan Wells (a total of 4 Gold, 1 Silver & 1 Bronze in two Games – 1978 & 1982) and Peter Heatly (diving Gold's in three successive Games & 1 Silver & 1 Bronze – 1950, 1954 & 1958). Lawn bowler Willie Wood is the first competitor to have competed in seven Commonwealth Games, from 1974 to 2002, missing 1986 because of a dispute over amateurism.