| 1906 | Born 25 January, Johannesburg, South Africa |
| 1918-24 | Godolphin School, Salisbury, England |
| 1924-25 | Ecole Vinet, Lausanne, Switzerland |
| 1925-27 | Bedford College, London University, London, England |
| 1927-28 | Associate editor of Psyche |
| 1928-30 | 1931-32 | 1933-34 | Smith College, Northampton, Massachusetts, research associate in psychology |
| 1930-31 | Wells College, New York, instructor in psychology |
| 1932-33 | Bedford College, University of London, senior lecturer in psychology |
| 1934 | Ph.D. from Smith College; dissertation: Organization in Higher Mental Processes |
| 1934-37 | Douglass College, Rutgers University, director of students |
| 1938 | Marriage to Dr. Theodore Erickson, divorced, 1945 |
| 1938-42 | Montreal Neurological Institute-McGill University; chief clinical psychologist, lecturer in psychology |
| 1941-44 | Josiah Macy, Jr., Foundation, grantee |
| 1944-67 | Independent practice, psychodiagnosis, consultation, and therapy |