William Anthony Birchenough
William Anthony "Bill" Birchenough(16 December 1925 – 15 October 2012) was a British cave explorer and a member of the 1964 Balinka pit expedition to Yugoslavia. He was the only person on the first expedition to reach the -650 feet level and in December 1966 was awarded the Yugoslav Order of the Flag with Gold Star by the Yugoslav Government together with three other members of the Balinka expeditions.