| Timeline |
| 1928 |
Born 12 December in New York, New York |
| 1949 |
Graduates from Bennington College |
| 1958 |
Marries Abstract Expressionist painter Robert Motherwell |
| 1958 |
Teaches at New York University |
| 1960 |
Lives in Italy |
| 1962 |
Teaches at Yale University in New Haven, Connecticut |
| 1966 |
One of four U.S. painters represented at the Venice Biennale |
| 1970 |
Teaches at Princeton University, New Jersey and Hunter College in New York |
| 1971 |
Divorces Robert Motherwell |
| 1971 |
Teaches at University of Rochester, New York |
| 1972 |
Teaches at Bennington College |
| 1973 |
Teaches at the Brooklyn Museum Art School, New York |
| 1974 |
Teaches at Swarthmore College, Pennsylvania |
| 1975 |
Teaches at Drew University in Madison, New Jersey |