Gareth Williams was many things to many people - a much-loved son, brother and friend, a maths genius, a keen cyclist and art lover, an elite code-breaker and intelligence officer with the secret service.
His story is as fascinating as his death is mysterious.
Mr Williams was born and raised in Valley on Anglesey, the son of Ian and Ellen, and brother of Ceri. Former classmates at Holyhead’s Ysgol Gynradd Morswyn remember his brilliance at maths which saw him pass his GCSE at the age of 10.
