Wade-Dahl-Till valve was partially built by the novelist of what nationality?
Roald Dahl Roald Dahl ( , ] ; 13 September 1916 – 23 November 1990) was a British novelist, short story writer, poet, screenwriter, and fighter pilot. His books have sold more than 250 million copies worldwide.
Ivo Andrić Ivo Andrić (Serbian Cyrillic: , ] ; born Ivan Andrić; 9 October 1892 – 13 March 1975) was a Yugoslav novelist, poet and short story writer who won the Nobel Prize in Literature in 1961. His writings dealt mainly with life in his native Bosnia under Ottoman rule.