Four days after taking sick leave to continue his fight against non-Hodgkin lymphoma, according to a report in the Journal newspaper.

Adelson, a Massachusetts-born casino magnate, is said to have battled blood cancer since 2019, and is survived by his wife Miriam, six children and 11 grandchildren.


Born in August 1933 near Dorchester, Boston, Adelson reportedly showed an early talent for business after borrowing $200 from his uncle at age 12 to obtain a local license to sell newspapers on the streets. He then borrowed $10,000 four years later to start a vending machine business before leaving to attend New York City University.

Although he did not graduate and then joined the military to serve in the Korean War, Adelson reportedly returned to business by establishing a toilet company in the 1960s. He later reportedly founded a company known as De-Ice-It that sells chemical sprays to remove ice from car windshields before engaging in a wide range of businesses including real estate, mortgage brokerage and financial services.


During this time, Adelson made additional investments in several companies, including one that publishes magazines on computers. Seeing the opportunity, he collaborated with fellow businessmen Robert Livy and Richard Katzeff to launch the Computer Dealers Exhibition (COMDEX) in 1979, with 167 exhibitors and 3,904 attendees known as the event's first outing at the original MGM Grand.

The Las Vegas Review-Journal reports that COMDEX soon grew into Las Vegas' largest convention with more than 200,000 participants a year. A constant respite, Adelson reportedly founded the Las Vegas Sands Corporation in 1988 with some of the proceeds from his success, acquired the former Sands Hotel and Casino for $110 million and built the Sands Expo and Convention Center nearby.



Adelson sold a stake in Comdex to a Japanese conglomerate for a rumored $500 million in 1995 before using some of the cash to build the Venetian Resort Las Vegas. His fledgling casino business then added Sands Casino Resort Bethlehem in 2009, but not until it expanded into the fledgling Macau market with the debut of Sands Macao in 2004, The Venetian Macao in 2007, and The Plaza Macao in 2008.

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