2023 Winner – David Spurdle

2022 Winner – Tadatoshi Akiba

2020 Winner – Adi Roche

2019 Winner – Barbara Hofmann

2018 Winner – Dr Fred Mednick

2017 Winner – Dr Leonid Roshal

2016 Winner – Mrs Setsuko Thurlow

2015 Winner – Hadeel Qasim (Iraq)

2014 Winner – Sindhutai Sapkal

2013 Winner – Magnus-MacFarlane-Barrow