https://www.harry-otten-prize.org/wp-content/uploads/2025/10/logo.svg00adminhttps://www.harry-otten-prize.org/wp-content/uploads/2025/10/logo.svgadmin2019-08-15 20:24:082024-09-25 20:25:072017 Harry Otten Prize winner Lee Chapman on the practical implication of his idea