Ms. Gregorio starred opposite Geraldine Fitzgerald’s in the Pulitzer Prize-winning drama The Shadow Box.

One of Broadway's most prolific comic actors, Mr. McGrath counted Broadway's Nice Work If You Can Get It, Spamalot, She Loves Me, and more on his long résumé.

Ms. Lee costumed the original Broadway production of Sweeney Todd and the 1974 revival of Candide.

Mr. Buffett had an illustrious career, including inspiring the Broadway jukebox musical Escape to Margaritaville.

Ms. Howe was twice a Pulitzer Prize finalist, and Tony Award nominee.

Mr. Jackson's works included Broke-ology, Sticky Traps, and The Last Black Play.

The Tony-, Emmy-, and Drama Desk-nominated lyricist passed away July 14.

Mr. Jones was also Tony-nominated for his performance in Clyde's.

Mr. Peluso covered lead roles in Broadway's Assassins and Lestat and was an equally familiar presence in London, starring in Death Takes a Holiday.

Mr. Jones' numerous works also included 110 in the Shade, I Do! I Do!, and Harold & Maude.

Charles made his Broadway debut in the original production of Grease.

Oliver notably played Benny in the Lin-Manuel Miranda musical opposite Jordin Sparks.

Awarded a Purple Heart during World War II, Coopersmith went on to write for Broadway's Baker Street and The Apple Tree and TV's Hawaii Five-O.

The original productions of Parade, 13, and Hollywood Arms are among the shows Simon helped ready for the Main Stem.

Blair created the role of plastic surgery advocate Val in the 1976 Tony-winning musical.

Glynn was mother to stage and screen star Mary Stuart Masterson.

Ms. St. John was both a stage and screen star until she left the entertainment industry in 1965.

Carlson made history playing one of the first transgender characters on daytime television in the series All My Children.

Initially an actor, Mr. Arkin also had a successful career as a director on both the stage and screen.

Mr. Deyle was a familiar face on Broadway stage, as well as a prolific television commercial actor.

Mr. Harnick was one of the most beloved lyricists in the American theatre.

The British actor racked up an impressive number of Broadway credits, both as a performer and as a writer.

Mr. Goldstein was the executive director of Save the Theaters, which landmarked 27 Broadway theatres as historic sites.

In addition to her work as an actor, Ms. Jackson was a British Member of Parliament for 23 years.

The Grammy-winning music icon passed away May 24 at the age of 83.

Mr. Williams last appeared on Broadway in the 2001 revival of Follies.

Mr. Wagner's designs include the original productions of A Chorus Line, Dreamgirls, and City of Angels.

Ms. Weil was depicted by Tony nominee Anika Larsen in Beautiful: The Carole King Musical.

Mr. Haimes was the long-time artistic director and CEO of Roundabout Theatre Company.

Mr. Wagner was known for his structural design style, which often incorporated technology into the tableau.

Mr. Ames was also a part of the brotherly quartet The Ames Brothers, who were immensely successful throughout the 1950s.

Social media tributes have poured in from all sides for the Queen of Rock 'n' Roll.

Ms. Turner was considered the Queen of Rock 'n' Roll, and was the subject of the Tony nominated bio musical Tina

Mr. Romaguera was a celebrated opera performer in addition to his work in musical theatre.

Throughout her lifetime, Pels donated an estimated $5 million to nonprofit theatre across the United States.

Brace will posthumously make his Broadway debut this summer with Alex Edelman's solo show.

Ms. Bryne was a part of the original Broadway companies of Sunday in the Park with George and Into The Woods.

The Australian comedian passed away April 22 at the age of 89.

Mr. Sebesky, currently represented on Broadway with the orchestrations of Parade, was a celebrated musician, composer, and arranger.

Mr. Springer had an eclectic career which twice brought him to the Broadway boards.

The barrier-breaking performer was a fierce activist for civil rights, serving as one of the principal fundraisers for Martin Luther King Jr. and the Student Nonviolent Coordinating Committee.

Mr. Humphries won the Special Tony Award for a Live Theatrical Event in 2000 for his Broadway comedy special, Dame Edna: The Royal Tour.

Among those scheduled to offer tributes are Heidi Armbruster, Charles Busch, Kerry Butler, Hallie Foote, Theresa Rebeck, and Ted Snowden.

Mr. Haimes transformed Roundabout from a 150-seat Off-Broadway company into one of the largest not-for-profit theatres in the United States.

Mr. Lipitz raised millions for Broadway Cares throughout his career.

He was the first-born son of Andrew Lloyd Webber, and a composer in his own right.

Mr. Topol is most associated with his decades-long relationship with Fiddler on the Roof.

Ms. Dillon originated the role of Honey in Edward Albee's Who's Afraid of Virginia Woolf?

Mr. Malcolm was a celebrated stage performer and audiobook narrator.

Ms. Welch was one of the most popular sex symbols of the 1960s.