Joan Tisch, a prominent New York philanthropist, died on Thursday at her home in Manhattan, The New York Times reported. The widow of former New York Giants co-owner Preston Robert "Bob" Tisch was 90.
"Joan Tisch was a great lady who led an extraordinary life that touched so many people," said John Mara, Giants president and chief executive officer, according to Forbes. "She was an outstanding role model for her wonderful family and for all of us who knew her. We will miss her dearly."
The business magazine estimated Joan Tisch's worth to be $4 billion at the time of her death, noting that she inherited her wealth from her late husband, who succumbed to brain cancer in 2005.
The Tisch family, believed to be one of the wealthiest in America, was known for its philanthropic efforts.
Following the death of her husband, Joan Tisch donated $10 million to Duke University Medical Center to establish the Preston Robert Tisch Brain Tumor Center, The Washington Post noted.
She was also a supporter of the arts and served as a board member at 92nd Street Y in Manhattan and as a trustee of the Museum of Modern Art while also advocating for the Gay Men's Health Crisis and helping those with AIDS and HIV.
In a post on their website, the Giants described Joan Tisch was a fervent fan "who attended as many games as she could."
The Giants announced they would observe a moments silence on Sunday, prior to their 1 p.m. home game against the Los Angeles Rams.
The team also will wear a decal with her initials (JHT) on their helmets this Sunday and, for the remainder of the season, they will wear a jersey patch with her initials.
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