Swimming TurnA shallow depth of field focused on the tips of the swimmers toes; a flurry of bubbles rising upwards; an unidentifiable torso powering serenely into the distance sometimes a picture only needs a few simple ingredients to make it magical. This shot by Gerry Cranham is a classic example of his ability to craft timeless images. It depicts the Scottish swimmer Bobby McGregor, who would go on to win a silver medal in the 100m freestyle at the 1964 Tokyo