On way to auction, Alan Turing wartime manuscript to make stop in Boston

A key handwritten manuscript from British computer scientist Alan Turing, whose story was spotlighted in last year’s “The Imitation Game,” will make a stop in Boston on the way to be auctioned off in New York City.

The documents, which will be auctioned off on April 3, will be available March 27-28 at British auction house Bonhams in Boston by appointment only.

Bonhams said it expects the 56-page manuscript will fetch at least seven figures. A portion of the proceeds will be donated to charity,…