Biography
| 1930 | Born March 22, New York City | |
| 1950 | Graduates from Williams College (magna cum laude), and goes on to study under Milton Babbitt | |
| 1956-67 | Writes the lyrics for West Side Story with music by Leonard Bernstein | |
| 1959 | Lyrics for Gypsy (music by Jule Styne; book by Arthur Laurents) opens on Broadway | |
| 1962 | A Funny Thing Happened on the Way to the Forum (lyrics and music by Stephen Sondheim | |
| 1964 | Anyone Can Whistle (book by Arthur Laurents) | |
| 1965 | Do I Hear a Waltz? (music by Richard Rodgers; book by Arthur Laurents) | |
| 1970 | Company (book by George Furth, direction Harold Prince) | |
| 1971 | Follies (book by James Goldman) | |
| 1973 | A Little Night Music (book by Hugh Wheeler) | |
| 1974 | Sondheim & Co. (biography of Sondheim by Craig Zadan) | |
| 1974 | Candide (Leonard Bernstein) with lyrical revisions by Sondheim opens on Broadway | |
| 1975 | Judy Collins' recording of Send in the Clowns enters the Billboard Top 40 chart | |
| 1976 | Side by Side by Sondheim a musical revue (directed by Ned Sherrin) | |
| 1979 | Sweeney Todd (book by Hugh Wheeler) | |
| 1981 | Merrily We Roll Along(book by George Furth) | |
| 1984 | Sunday in the Park with George (book and direction by James Lapine) | |
| 1987 | Into the Woods | |
| 1990 | Dick Tracy (film directed by Warren Beatty, songs by Sondheim) | |
| 1994 | Passion (book and direction by James Lapine) | |
| 1998 | Stephen Sondheim: A Life (a biography of Sondheim by Meryle Secrest) | |
| 1999 | Putting It Together | |
| 2000 | Awarded the Praemium Imperiale Prize for Theatre/Film, Japan Art Association, Tokyo |


