Philadelphia Orchestra director Eugene Ormandy refused to shake Karajan's hand when the Berlin Philharmonic toured the U.S. in 1955.

NPR: Herbert von Karajan's Symphonic Obsessions

Lang Lang arrived at the Cultural Palace of Nationalities, the same small, now dingy hall where Ormandy conducted in 1973.

NEWYORKER: The Olympian

Google has said that Ormandy was working independently of his employer, and Ormandy has defended himself on Twitter, writing that he only revealed the bug on the Full Disclosure mailing list after first attempting to negotiate a 60-day deadline for Microsoft to patch the flaw.

FORBES: Microsoft Security Bug Exposed By Google Researcher Now Exploited More Than 10,000 Times