Tesla and SpaceX CEO Elon Musk said he spoke with the family of Soviet scientist Sergei Korolev.
"I spoke with Korolev’s family today. He was one of the very best," he tweeted without elaborating.
I spoke with Korolev’s family today.
— Elon Musk (@elonmusk) July 10, 2020
He was one of the very best.
Корольов / Королёв.