— Sir Richard Evans (@RichardEvans36)
November 24, 2019
The tweet prompted outrage from those accusing him of minimising antisemitism.
Actress Tracy-Ann Oberman asked: "How can a historian throw credibility on the line by this reductive tweet... History will judge".
But Prof Lipstadt said his voting Labour "does not diminish his tremendous contribution to exposing David Irving's lies and distortions".
"He was the lead historical witness. He drove Irving nuts when he gave testimony," she wrote.
Prof Lipstaft has been critical of Labour under Mr Corbyn. She warned last year that Mr Corbyn was contributing to a rise in "softcore" Holocaust denial.
She called Ken Livingstone's claim Zionists had supported Hitler "the kind of softcore denial I worry about much more. It’s subtly antisemitic and it's clearly denial because it rewrites history”.
She added Mr Corbyn was "blind to overt manifestations of antisemitism".
