Ayni — Analysis — Cleveland Lost More Than Half Its Population After 1950. Its Hospital System Is Now Ranked #2 in the World.

Cleveland Lost More Than Half Its Population After 1950. Its Hospital System Is Now Ranked #2 in the World.

John D. Rockefeller founded Standard Oil in Cleveland in 1870, and in under four months in 1872 -- an event locally remembered as the "Cleveland Conquest" -- it absorbed 22 of the city's 26 oil refineries, making Cleveland the world's largest oil-refining center for the rest of the 19th century. The city's population reflected it: 381,768 in 1900, 560,663 by 1910, peaking at 914,808 in 1950. Then a 60-year decline erased more than half of it. But two institutions were growing the entire time, not after the collapse. Cleveland Clinic opened February 28, 1921 -- founded by four doctors who had run a cooperative military medical unit in World War I and rebuilt it as civilian practice -- and never stopped. It now runs 23 hospitals and 300 outpatient locations, employs 83,000 people, sees nearly 6 million patient visits a year from all 50 states and more than 100 countries, and Newsweek has ranked it the #2 hospital in the world for five straight years -- #1 in cardiology for twenty. NASA's Aircraft Engine Research Laboratory opened in Cleveland in 1941, built the world's most advanced wind tunnel by 1944, helped cool B-29 engines and test America's first jet engines during the war, then became NASA Lewis Research Center and worked on liquid hydrogen rocket fuel for Mercury and Apollo. And in 1969, while both institutions were already decades into that growth, an oil slick on the Cuyahoga River caught fire for the thirteenth documented time since 1868 -- five stories of flame that made national news and helped force the creation of the EPA and the Clean Water Act. The fire was the visible story. The clinic and the lab were the real one, the whole time.

Start with how completely Cleveland once dominated a single industry. John D. Rockefeller founded Standard Oil in Cleveland in 1870, and in under four months in 1872 -- remembered locally as the "Cleveland Conquest" -- it absorbed 22 of the city's 26 oil refineries, making Cleveland the world's largest oil-refining center for the rest of the 19th century.^[1] The city's growth tracked it exactly: 381,768 residents in 1900, 560,663 by 1910 -- 47% growth in a single decade.^[2]

The population peaked in 1950, and then Cleveland lost more than half of it. Cleveland hit 914,808 residents in 1950 before a 60-year decline driven by deindustrialization, suburbanization, and urban sprawl erased over half the city's population.^[2] That decline is the story most people know about Cleveland. It is not the whole story, and the part that's missing was growing the entire time the decline was happening, not after it.

914,808Cleveland's peak population, 1950 -- more than half gone since

1921the year Cleveland Clinic opened, thirty years before the population even peaked

#2Cleveland Clinic's current Newsweek world ranking, five years running

Cleveland Clinic opened February 28, 1921, and it was built on a genuinely unusual model for the time: four doctors converting a wartime organization into a civilian one. Founders George Crile, Frank Bunts, William Lower, and John Phillips had run the Lakeside Unit, a cooperative military medical team, in World War I -- and rebuilt that same cooperative-specialty structure as a civilian group practice when they came home.^[3] The expansion outside Ohio started decades before international campuses did: Cleveland Clinic established a Florida presence in 1988, and in 2001 opened a full hospital campus in Weston, in Broward County, while Cleveland's own population was still in the middle of its 60-year decline.^[7] A century after its 1921 founding, the system runs 23 hospitals and 300 outpatient locations, employs 83,000 people, and sees nearly 6 million patient visits a year from all 50 states and more than 100 countries, with full international campuses in Abu Dhabi, Toronto, and London.^[4] Newsweek has ranked it the #2 hospital in the world for five straight years, and it has held the #1 ranking in cardiology and heart surgery specifically for twenty.^[4]

Twenty years after the Clinic opened, a second institution started the same kind of quiet, decades-long build a few miles away. NASA's predecessor agency opened the Aircraft Engine Research Laboratory in Cleveland in 1941; by 1944 its Altitude Wind Tunnel was the most advanced facility of its kind anywhere in the world, used to cool B-29 bomber engines and test America's first jet engines from General Electric and Westinghouse during the war.^[5] It became NASA Lewis Research Center in 1958 and helped develop the liquid hydrogen rocket fuel used in the Mercury and Apollo programs, later renamed for Ohio senator and astronaut John Glenn.^[5]

The same pattern this site already found in a different city This site's Baltimore piece found real anchors -- Under Armour, T. Rowe Price, Johns Hopkins -- that almost never show up in the city's national image, which runs on crime statistics instead. Cleveland runs the identical gap, with a sharper twist: its real anchors weren't built to replace a declining economy. They were already there, growing the whole time the decline was happening, and simply never made the same headlines the decline did. The Baltimore piece is here.

The moment that actually made national news happened in the middle of both institutions' growth, not before it. On June 22, 1969, an oil slick on the Cuyahoga River caught fire -- the thirteenth documented time the river had burned since 1868, with flames reaching five stories high.^[6] Cleveland's first Black mayor, Carl Stokes, held a press conference at the site the next day and testified before Congress alongside his brother, Representative Louis Stokes, pushing for federal action that helped produce the EPA in 1970 and the Clean Water Act in 1972.^[6] Cleveland Clinic was already 48 years old. NASA's lab was already 28.

The fire is the story most of the country still tells about Cleveland: a burning river, a shrinking population, the shorthand for Rust Belt decline. It was real, and it mattered enough to help build the modern EPA. But it was never the whole picture, even in 1969 -- a world-class hospital system and a NASA research lab that helped put a man on the moon were both already decades into becoming what they are now, quietly, the entire time the headline was catching fire.

The takeaway Standard Oil, founded by Rockefeller in Cleveland in 1870, absorbed 22 of the city's 26 refineries in under four months in 1872 (the "Cleveland Conquest"), making Cleveland the world's largest oil-refining center. Population followed: 381,768 in 1900, 560,663 by 1910, a peak of 914,808 in 1950, then a 60-year decline that erased more than half of it. But Cleveland Clinic (founded 1921 by four WWI military-medicine doctors) and NASA's Aircraft Engine Research Laboratory (opened 1941, later NASA Lewis) were both growing the entire time, not after the collapse -- the Clinic now runs 23 hospitals worldwide, sees nearly 6 million patient visits a year, and is ranked the #2 hospital on Earth by Newsweek for five straight years; NASA Lewis helped develop liquid hydrogen rocket fuel for Mercury and Apollo. In 1969, while both were already decades into that growth, the Cuyahoga River caught fire for the thirteenth documented time since 1868, helping force the creation of the EPA and the Clean Water Act. The fire was the visible story. The Clinic and the lab were the real one.

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