Which Chief Designer, whose identity was a state secret during his lifetime, masterminded the early space triumphs including Sputnik, the first animal in orbit (Laika), and Gagarin's flight?

• A Valentin Glushko
• B Vladimir Chelomey
• C Mikhail Yangel
• D Sergei Korolev ✓

Sergei Korolev was referred to only as 'Chief Designer' in the press; his death in 1966 during surgery is considered by historians as a key factor in losing the race to the Moon.