My friend and colleague Geoffrey Harrison, who has died aged 90, was a pioneer in technology education whose influence is still seen in schools and universities. Geoffrey was born in Cullercoats in Newcastle upon Tyne to Bernard, a company secretary at Priestman Collieries, and his wife, Katharine (nee Bookey). He attended Dauntsey’s school in Wiltshire and then in 1952 went to Cambridge University, where he gained a degree in mechanical sciences. Thereafter he spent several years working as a civil…