The whistleblower who exposed the Tuskegee syphilis study that left hundreds of Black men untreated has died at age 86

Dr. Ruth Westheimer, a Holocaust survivor who went on to become a sex therapist, talk show host and author, died at the age of 96.

Simmons, known for his unrelenting positivity, died on July 13, just one day after celebrating his 76th birthday.

The actress, known for her roles in "Beverly Hills 90210" and "Charmed," died at 53 after fighting breast cancer for nearly a decade.

Westheimer, a Holocaust survivor, died in New York on Friday, her family said.

Shannen Doherty, star of "90210" and "Charmed," died of breast cancer at 53.

Eccentric fitness guru Richard Simmons, known for his unrelenting positivity, has died, according to his representative.

For decades, the witty, diminutive Westheimer -- popularly known as Dr. Ruth -- was one of America's most trusted and popular voices on the topic of sex.

Eccentric fitness guru Richard Simmons, known for his unrelenting positivity, has died, according to his representative.

Duvall won a Cannes best actress award for "3 Women."

According to her partner Dan Gilroy, "The Shining" actress Shelley Duvall died on Thursday at her home in Blanco, Texas. She was 75.

Former child actor Benji Gregory has died in central Arizona at age 46

Jon Bon Jovi is mourning the death of his mother, Carol Bongiovi, who died at 83 on Tuesday.

Inhofe served in the U.S. Senate from 1994 until his retirement in 2023.

Joe Bonsall, The Oak Ridge Boys country music mainstay, dead at 76 of ALS.

"Glee" star Heather Morris pays tribute to her former co-star Naya Rivera in a moving Instagram post.

The producer collaborated with James Cameron on "Titanic" and the "Avatar" films.

Robert Towne, the Oscar-winning screenplay writer of "Shampoo," "The Last Detail" and other films whose script for "Chinatown" became a model of the art form and helped define the jaded allure of his native Los Angeles, has died

Mull, known for comedies such as "Clue" and "Arrested Development," has died at the age of 80.

Martin Mull, comic and actor known for "Clue," "Roseanne" and more, dead at 80.

Law enforcement sources tell ABC News multiple people could be charged in the death of Matthew Perry as the investigation into who supplied the actor with the drug ketamine comes to a close.

Actor Bill Cobbs died Tuesday. The actor, who was 90, was known for a wide range of films, including "Air Bud," "The Bodyguard" and "Night at the Museum."

Bill Cobbs, a veteran actor for over 50 years, appeared in nearly 200 movies and TV shows, including "The Bodyguard," "Night at the Museum" and "The Sopranos." He died at the age of 90.

Donald Sutherland, who has appeared in nearly 150 films and more than 40 television shows, has died at age 88.

Actor Donald Sutherland, known for his roles in "Klute," "M*A*S*H," "Ordinary People," and "The Hunger Games," has passed away at the age of 88.

The beloved actor of the films "M.A.S.H," "Animal House" and "The Hunger Games" franchise died Thursday in Miami after a long illness, his son Kiefer Sutherland said.

Claiborne was lucky enough to get to know the baseball legend for over 50 years after meeting him as a child.

Willie Mays, widely considered to be one of the greatest baseball players in the history of the game, has died at 93.

Hiram Kasten started as a stand-up comedian, then moved to Los Angeles and appeared as Elaine's co-worker in several episodes of "Seinfeld."

James Kent, the famed New York City chef, died on Saturday, his hospitality group announced.

West's achievements date back to the 1960s.

Anders was one of the last of the Apollo astronauts. He circled the moon aboard Apollo 8 and took the iconic "Earthrise" photo as the command module emerged from the dark side of the moon.

Anders' famous "Earthrise" photo was taken on Christmas Eve in 1968 during the Apollo 8 mission.

Legendary Apollo 8 astronaut William Anders has died at 90, NASA said Friday. Anders is credited with taking iconic "Earthrise" photo.

Michelle Obama said in a post on X that her mother "was the same steady backstop for our entire family."

Marian Robinson, former First Lady Michelle Obama's mother, passed away Friday at the age of 86, according to the family.

Walton, who died at the age of 71 after battling cancer, was remembered for playing for the Boston Celtics and as a treasured sports broadcaster for ESPN.

The NBA Hall of Famer and beloved broadcaster has died at 71. ABC News' Andrew Dymburt looks at Walton's funniest moments in broadcasting and his life advice that goes well beyond sports.

The musician wrote some of the most beloved songs in Hollywood history, including music from "Mary Poppins" and the iconic "It’s a Small World."

The golfer, who has won two PGA tour titles, died by suicide after withdrawing from a tournament, his family said.

Documentary filmmaker Morgan Spurlock, known for "Super Size Me," died at 53 in New York from cancer complications.

The investigation into Matthew Perry's death is ongoing, particularly concerning the source of the ketamine that played a role in his October death, according to federal law enforcement sources.

Hollywood is reacting and sending tributes to the passing of the beloved actor and “9 to 5” star.

Actor Dabney Coleman, known for his roles in hit movies such as "Melvin and Howard," "9 to 5," "On Golden Pond" and "Tootsie," has passed away at 92.

David Sanborn, a Grammy-winning saxophonist known for his collaborations with renowned artists, passed away on Sunday after a career spanning multiple genres.

Country music star Toby Keith was not only an award-winning singer-songwriter but also a father of three.

Moody Blues founding member, singer and keyboardist, Mike Pinder has died at 82.

"GMA" looks at the life of the Grammy winner and gospel powerhouse, who died suddenly at 47.

Singer Mandisa Lynn Hundely, who was a contestant on the show's fifth season, was found dead in her Nashville home, police said. She was 47.

Dickey Betts, the influential singer, songwriter and guitarist for Southern rock legends the Allman Brothers Band, died Thursday morning in Florida at age 80.