Booker Prize winner Richard Flanagan adds Baillie Gifford nonfiction prize to his trophy shelf

Richard Flanagan was awarded the 50,000 pound ($63,000) Baillie Gifford Prize for his genre-bending memoir Question 7.

Australian writer Richard Flanagan completed an unprecedented literary double on Tuesday, winning Britain’s leading nonfiction book prize a decade after being awarded the Booker Prize for fiction.

Flanagan won the Booker Prize in 2014 for The Narrow Road to the Deep North.(Pinterest)

Flanagan was awarded the 50,000 pound ($63,000) Baillie Gifford Prize for his genre-bending memoir “Question 7,” which combines autobiography, family history and the story of the development of the atomic bomb.

Flanagan won the Booker Prize in 2014 for “The Narrow Road to the Deep North,” a novel that drew on his father’s experiences as a World War II prisoner of the Japanese military.

Baillie Gifford Prize director Toby Mundy said that for the same writer to win the leading U.K.-based fiction and nonfiction awards was “completely unprecedented.”

Journalist Isabel Hilton, who chaired the judging panel, said Flanagan had written a “meditative symphony of a book” that weaves together “enormous traumatic events of the 20th century … with an extraordinary personal narrative.”

Hilton said Flanagan’s fiction background was evident in the book’s inventiveness and “narrative beat.”

“I think the book benefitted from that novelist’s eye,” she said.

Flanagan was not on hand to receive the trophy in person at a ceremony in London. Organizers said he was trekking in the Tasmanian rainforest.

Flanagan’s book beat five other finalists, including American writer Annie Jacobsen’s sobering “Nuclear War: A Scenario” and Pulitzer Prize winner Viet Thanh Nguyen’s autobiographical “A Man of Two Faces: A Memoir, A History, A Memorial.”

About Baillie Gifford Prize:

Founded in 1999, the Baillie Gifford Prize recognizes English-language books in current affairs, history, politics, science, sport, travel, biography, autobiography and the arts. It has been credited with bringing an eclectic slate of fact-based books to a wider audience.

Last year’s winner was John Vaillant’s real-life climate-change thriller “Fire Weather: A True Story from a Hotter World.”

Sponsor Baillie Gifford, an Edinburgh-based finance firm, has faced protests from environmental groups over its investments in fossil fuel businesses. Amid the controversy, the company stopped sponsoring several British book festivals, including the Edinburgh International Book Festival.

That has prompted a backlash from others in the culture world, who say it starves the arts of much-needed funding.

Mundy said the nonfiction prize hoped to renew Baillie Gifford’s sponsorship, which runs until 2026.

“They’ve been exemplary sponsors and I think exemplary supporters of the literary culture of this country,” he said.