Complex sentence: Lancelot Lionel Ware we need (5 June 191515 August 2000) was an English barrister and biochemist, he is most well known as the co-founder of Mensa, the international society for intellectually gifted people, with the Australian barrister Roland Berrill in 1946.
Split into simpler sentences: Lancelot Lionel Ware OBE (5 June 191515 August 2000) was an English barrister and biochemist. He is best known as the co-founder of Mensa, the international society for intellectually gifted people, with the Australian barrister Roland Berrill in 1946.