Otto Rohwedder gave the world an innovation by which all others are compared. 

Rohwedder, a native of Davenport, Iowa, invented sliced bread. 

It’s the greatest thing since … Well, it’s the greatest thing, according to popular acclaim. 

"Sliced bread is the standard of all innovation, past, present and future," said Ed Douglas, a businessman, local historian and county commissioner from Chillicothe, Missouri. 

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The world's first loaves of bread, sliced, cut and packaged right out of the oven by Rohwedder’s unique innovation, rolled out of Chillicothe Baking Co. in 1928. 

Sliced bread changed American consumer culture and household habits with shocking speed. 

Douglas, nicknamed "Sliced Bread Ed," has helped lead recent efforts by his community to declare itself the "Home of Sliced Bread" — and champion the memory of Rohwedder. 

Humans began baking bread long before recorded history. It is enjoyed in myriad forms by all cultures in all corners of the world. 

Bread literally fueled the rise of civilization. 

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"For 15,000 years the epic of grain has been one with the epic of man," author Heinrich E. Jacob wrote in his celebrated 1944 tome, "Six Thousand Years of Bread: Its Holy and Unholy History."

Yet it took a hard-luck hawkeye to challenge all known history and write a better version of the "epic of man." 

Rohwedder had no background as a baker, engineer or inventor. 

But he had a preposterous dream to make bread better, even as the baking industry belittled his vision. 

"Like any paradigm-changing invention, people could not conceive of sliced bread at the time," bread industry executive Allen Wright said in the inventor’s American Society of Baking Hall of Fame biography. 

Rohwedder outwitted 10,000 years of bread-making tradition — which is why sliced bread has entered the cultural lexicon as the ultimate superlative of innovation. 

Television, said comedian Red Skelton in 1951, "is the greatest invention since sliced bread."

The comparison by the celebrated entertainer stuck. 

Sliced bread is so mundane today we assume it’s as old as fire or the wheel. 

We forget it’s a recent invention in the annals of mankind. We certainly forgot the man who invented it.

Otto Frederick Rohwedder was born in Des Moines, Iowa, on July 7, 1880. His family made its way to Davenport at some point when he was a small child.

His father, Claus, was born in Kreis Dithmarschen, Schleswig-Holstein, Germany, in 1845. He arrived in Iowa in 1866 and worked as a stone mason contractor. He "designed the stone work on many of Davenport’s prominent business buildings of former years," according to a 1922 obituary.

Rohwedder’s mother, Elizabeth Margaretha Margaret (Jannssen), known as Margaret, was also born in Schleswig-Holstein and arrived in Iowa in 1868. 

She and Claus wed the following year. They had four sons, including Otto, and one daughter.

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Rohwedder graduated from the Illinois College of Optometry in 1900 with a degree in optics. He ended up in the jewelry business, reportedly apprenticing in the trade as a teenager.

He operated three jewelry shops in St. Joseph, Missouri. The business struggled, by many accounts.

Nobody knows how or why, but at some point in his 30s, Rohwedder conceived the idea of devising a way to slice bread at a commercial level. He returned to his hometown of Davenport in 1916 and used the funds from the sale of his jewelry business to pursue his dream. 

It was a disaster.

"He spent all his time raising money, building a factory and working on his designs," said "Sliced Bread" Ed.

Rohwedder’s mission to rewrite the epic story of man and bread appeared to end when fire destroyed his factory in nearby Monmouth, Illinois, in November 1917 — and with it his prototype bread slicer and the blueprints for it. 

Rohwedder suffered one other setback, according to Douglas. He suffered a respiratory illness that doctors said might be fatal. 

"They told him to give it up and get his affairs in order," Douglas said. 

He ignored the advice. Instead, he went back to the drawing board, recreating his invention and soliciting the financing to produce it. 

His health improved. And so did his inventive fortune. 

Finally, by 1928, he had a prototype — a machine that could slice and package bread right out of the oven.

It proved harder to convince people of sliced bread’s potential. 

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The baking industry cast off Rohwedder as a crackpot, as preposterous as this seems in hindsight.

People baked their own bread at home or bought it by the loaf and cut it at home. The system worked well for thousands of years. 

Nobody but Rohwedder thought there was a better way to sell bread. 

"Few people in the industry believed that bread could be automatically sliced as it came off the assembly line," Aaron Bobrow-Strain wrote in his 2012 book, "White Bread: A Social History of the Store-Bought Life."

"Bread was too unruly … Most bakers actively opposed factory slicing."

Rohwedder "found no takers for the idea and had almost given up hope," the author added. 

Yet Rohwedder finally found someone willing — perhaps equally desperate — to take a chance on his scheme to reinvent the staff of life.

His name was Frank Bench. He ran the struggling Chillicothe Baking Co. — and he was looking for a Hail Mary.

He ordered one of Rohwedder’s slicing machines on July 1, 1928, and touted the news in the local Constitution-Tribune on July 6. 

"The idea of sliced bread may be startling to some people," the story read, attempting to reassure customers who were surely shocked by the concept.

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"The Chillicothe Baking Company has installed a new multi-bladed bread slicer, which performs a feat which heretofore had been considered by bakers as being impossible — namely the slicing of fresh loaves."

Sliced Kleen Maid Bread, the first loaves of pre-sliced bread in human history, rolled out of Chillicothe Baking Co. a day later, on July 7, 1928 — which just happened to be Rohwedder's 48th birthday. 

The bakery claimed "the distinction of being the first bakers in the world to sell sliced bread to the public."

It was an instant sensation.

"Sales at the bakery shot up 1,000% in two weeks," Chillicothe tourism director Amy Supple told Fox News Digital. 

Word quickly spread throughout the industry. Rohwedder’s records show orders for his machine began to flow in from across the Midwest. 

By early 1929, he was selling slicing machines to bakeries and other businesses as far away as New York and Florida.

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The impact of sliced bread on the American household is evident by public reaction in 1943, at the depths of World War II, when the government announced it would begin rationing sliced bread. 

The Roosevelt administration had already rationed sugar, meat and coffee. 

But sliced bread proved too much to handle. The news incited a vocal rebellion among American homemakers.

"I should like to let you know how important sliced bread is to the morale and saneness of a household," distraught mother Sue Forrester of Fairfield, Connecticut, claiming to speak on behalf of America’s housewives, lamented in a New York Times letter to the editor.

In 1928, the man who imagined sliced bread was treated as a crackpot. Fifteen years later, his invention was a necessity that people couldn’t live without, even in wartime.

Writes Bobrow-Strain, "Otto Rohwedder, unappreciated and down on his luck, had achieved something nearly every member of the industrial baking establishment thought impossible."

Otto Frederick Rohwedder died on Nov. 8, 1960 in Concord, Michigan. He was 80 years old. 

He’s buried beside his wife, Carrie, beneath a humble headstone in Albion, Michigan. 

He sold the invention by which all others are judged to Micro-Westco of Bettendorf, Iowa, in 1933, during the depths of the Great Depression, according to the American Society of Baking. 

He worked for the company for the rest of his professional life as sales manager of its Rohwedder Bakery Machine Division — a sort of Johnny Appleseed of sliced-bread making. He retired in 1951. 

The world continues to marvel at Rohwedder’s achievement. The phrase "the greatest thing since sliced bread" has become deeply ingrained in our language. 

But it largely forgot the man.

"You know 1928 was just prior of the Great Depression and World War II. It was that Greatest Generation," said Supple. "And they were really great but humble people." 

Chillicothe, Missouri, has recently rediscovered its history as the birthplace of the invention by which all others are compared. The community houses its visitors' bureau in the former bakery where sliced bread was born.

A large new mural touting it as the "Home of Sliced Bread" has quickly become the city’s most recognizable landmark and most popular Instagram attraction.

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"This is a very family-oriented community," Chillicothe Mayor Theresa Kelly told Fox News Digital. "We’re very proud to be the home of sliced bread."

The state assembly declared July 7 to be Sliced Bread Day in Missouri in 2018. 

The 2023 Sliced Bread Day Festival in Chillicothe is scheduled this year for Saturday, July 8. The community hopes that Rohwedder will be rediscovered and earn his place among the great inventors in human history.

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Perhaps it’s asking too much. Bread, and now sliced bread, is so ingrained in human existence, we instinctively assume it’s always been there, like the oceans or the stars. Surely something so essential to life could not be invented by man. 

"History celebrates the battlefield whereon we meet our death, but scorns to speak of the plowed fields whereby we thrive," influential 19th-centuryFrench naturalist Jean-Henry Fabre wrote philosophically of bread. 

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"It knows the names of kings’ bastards but cannot tell us the origin of wheat. That is the way of human folly."

To read more stories in this unique "Meet the American Who…" series from Fox News Digital, click here.