Graeme Ferguson, a Canadian documentarian who cocreated Imax, the panoramic cinema expertise that immerses audiences into motion pictures, and was the chief inventive power of the company for years, died on May 8 at his dwelling in Lake of Bays, Ontario. He was 91.

His son, Munro Ferguson, mentioned the trigger was most cancers.

In the Nineteen Sixties, Mr. Ferguson was making a reputation for himself as a younger cinematographer recognized for working within the cinéma vérité fashion, and he was requested to direct a documentary concerning the Arctic and Antarctic for Expo 67, a world’s honest in Montreal. He traveled for a year filming the film, which additionally included footage of Inuit life and the aurora borealis.

The documentary, “Polar Life,” was screened with an immersive theater configuration: Audiences sat on a rotating turntable because the film performed on a panorama of 11 fastened screens. The expertise was successful. Another film at Expo 67 that equally used a number of screens, “In the Labyrinth,” was directed by Roman Kroitor, who was Mr. Ferguson’s brother-in-law. Soon, the 2 males had a imaginative and prescient.

“We asked each other, wouldn’t it be better to have had or been able to have a single, large-format projector filling a large screen?” Mr. Ferguson informed Take One, a Canadian movie journal, in 1997. “Obviously the next step was to have a large film format, larger than anything that had ever been done.”

“We said, ‘Let’s invent this new medium,’” he continued.

But regardless of Imax’s beautiful know-how, Mr. Ferguson struggled for many years to get buyers to embrace his imaginative and prescient. In a story of innovation, setbacks and adversity, his company almost went beneath a number of instances and it took years for Imax to change into absolutely realized into the cinematic marvel it’s right now.

“People kept telling us nobody would sit still for 90 minutes and watch an Imax film,” Mr. Ferguson informed Take One. “We were told that endlessly.”

Mr. Ferguson had already requested Robert Kerr, a highschool good friend who had change into a profitable businessman, to be their companion, and he subsequent enlisted William Shaw, a highschool buddy who had change into an engineer, to assist conceive Imax’s know-how. They quickly developed prototypes for the digicam and large-format projector wanted to movie and display Imax motion pictures.

The group was eager to debut their know-how at the 1970 Osaka Expo, so that they made an overture to Fuji Bank for funding. They showed the Japanese financial institution’s delegates their Imax workplaces in New York and Montreal crammed with industrious workers. Impressed by what they noticed, Fuji Bank signed off on the project.

What the delegates didn’t know was that the New York office they noticed was Mr. Ferguson’s freelance studio and the Montreal headquarters they visited had been manufacturing rooms Mr. Kroitor had rented out simply days earlier.

The first Imax film, “Tiger Child,” premiered at Expo 70 in Osaka not lengthy after. Though it was profitable, the company continued to battle with financing.

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Back in Toronto, Mr. Ferguson heard {that a} new amusement park known as Ontario Place was planning to build a large-screen theater. He approached its group together with his pitch they usually agreed to buy an Imax projector. In 1971, Ontario Place started screening “North of Superior,” an Imax documentary directed by Mr. Ferguson about Northern Ontario’s wilderness. The venue turned Imax’s first permanent theater and the mannequin for future Imax cinemas.

Imax thrust viewers into surprising realms all through the Seventies: “Circus World” was a documentary concerning the Ringling Brothers and Barnum & Bailey circus; “To Fly!” chronicled the wonders of flight; and “Ocean” was about underwater life.

In the Nineteen Eighties, Mr. Ferguson approached NASA with an thought to place moviegoers in area by coaching astronauts to make use of Imax cameras on spacecraft. The collaboration resulted in a number of profitable documentaries that firmly established the Imax model.

Mr. Ferguson and his fellow founders offered the company in 1994, once they had been of their 60s, to 2 American businessmen, Richard Gelfond and Bradley Wechsler, who acquired Imax in a leveraged buyout and took the model public. In the Take One interview, Mr. Ferguson admitted his shock at how difficult it was to discover a purchaser, even with the company’s established success.

“The reaction time to anything new is always longer than the inventor can ever imagine,” he mentioned. “You think you might have built the better mousetrap and the world will come to your door the next morning, but they will beat the way to your door about five years later. That’s really how the world works.”

Ivan Graeme Ferguson was born on Oct. 7, 1929, in Toronto and grew up in close by Galt. His father, Frank, was an English trainer. His mom, Grace (Warner) Ferguson, was an elementary schoolteacher. His dad and mom gave him a Brownie digicam when he was 7 and he used it to {photograph} steamships on Lake Rosseau.

In 1948, he enrolled at the University of Toronto to check political science and economics. The avant-garde filmmaker Maya Deren taught a workshop at the college one semester and he turned her lighting assistant. She inspired him to desert economics and make motion pictures as a substitute.

In the Nineteen Sixties, Mr. Ferguson labored as a cameraman in New York and collaborated with filmmakers related to the cinéma vérité motion, like D.A. Pennebaker and Albert Maysles. He labored for Adolfas Mekas and shot footage for an Oscar-nominated documentary known as “Rooftops of New York” (1961).

He married Betty Ramsaur in 1959 they usually had two youngsters, Munro and Allison; they divorced in 1974. In 1982, he married Phyllis Wilson, a filmmaker who turned his inventive collaborator and produced a number of Imax motion pictures with him. She died in March.

In addition to his son and daughter, Mr. Ferguson is survived by two sisters, Janet Kroitor and Mary Hooper; a brother, Bill Ferguson; 4 grandchildren; and a great-grandchild.

In his late 60s, Mr. Ferguson settled together with his spouse in a sprawling stone cottage on Lake of Bays that he purchased after the Imax sale. Mr. Kerr and Mr. Shaw additionally lived in houses on the lake and the boys usually labored on their boats collectively. After Mr. Kroitor died in 2012, Mr. Ferguson turned the final dwelling Imax founder.

Throughout the pandemic, Mr. Ferguson learn bleak reviews concerning the state of Hollywood and the shift in viewing habits, with streaming video luring audiences from theaters. But he wasn’t apprehensive concerning the destiny of Imax.

“He was completely convinced it would flourish even if the rest of the exhibition industry was going to do much worse,” his son mentioned, “because he believed that if you’re going to leave your house, you might as well go see something amazing.”