| 1916 | Born in Brooklyn, NY |
| 1933-1937 | Earns a Bachlor of Business Administration, with a Teaching Certificate, from the College of Business and Accounting of the City College of New York (now known as Baruch College). At CCNY, is credited as student most responsible for securing readmission of women. |
| 1937-? | Works for Coty Cosmetics in Manhattan. |
| 1939 | Attends NYS Communist Party summer school. |
| 1940 | Begins teaching business accounting at Central Commercial High School in Manhattan. Active in the Teachers Union of NY. |
| Late 1940s | Joined the Photo League of NY, taking classes in documentary and street photography. |
| Late '40s/Early '50s | Begins working as staff photographer for the Teacher News, the publication of the Teachers' Union. |
| 1953 | Suspended as teacher after refusing to answer part of the Superintendent's question concerning past and present membership in the CP. |
| 1953 | Named as a former Communist at HUAC hearing in NYC |
| 1954 | Dismissed as a teacher by the Board of Education of NYC |
| 1955 | Appeal of dismissal denied by the State Commissioner of Education |
| 1955 | Two photographs included the Family of Man exhibition at the Museum of Modern Art, NYC |
| 1955 | Begins working as a free-lance photographer, commencing a long-standing relationship with the Hotel Workers Local #5 in NYC |
| 1957 | Meets Dr. M. L. King, Jr. at the office of the Hotel Workers Local #5 in NYC |
| 1958 | Marries Motel "Mark" Berkowitz, a Holocaust survivor from Poland |
| 1960 | Winner in America's Many Faces, sponsored by the National Urban League |
| 1965 | Travels to Poland with Mark |
| 1966 | Wins a Polish competition with "Strike Rally" |
| 1967 | Feinberg Law considered unconstitutional by Supreme Court. Grossman leads a group of teachers seeking reinstatement |
| 1968 | Participates in Poor People's Campaign, contributes photos to The New Movement: Power for the Powerless (ed. Karen Kerpen) |
| 1971 | Working as free-lance photographer, social worker, teacher of photog |
| 1972 | Teachers sue Board of Education for reinstatement |
| 1973 | Teachers are reinstated, receive NYCLU Florina Lasker Civil Liberties Award from the NYC Human Rights Commission. |
| 1974- 1975 | Substitute teaches at Central Commercial High School (now Norman Thomas High School) |
| 1977 | Heads tenant union in her building |
| 1988 | Dies of cancer |