Marion Walter
| Marion Walter | |
|---|---|
| Photo by Kenneth Helphand | |
| Born | July 30, 1928 Berlin, Germany | 
| Died | May 9, 2021 (aged 92) Eugene, Oregon, US | 
| Citizenship | United States | 
| Alma mater | |
| Scientific career | |
| Fields | Mathematics education | 
| Thesis | Two Samples of Informal Geometry for Young Children (1967) | 
Marion Walter (July 30, 1928 – May 9, 2021) was an internationally-known mathematics educator and professor of mathematics at the University of Oregon in Eugene, Oregon. There is a theorem named after her, called Marion Walter's Theorem or just Marion's Theorem as it is affectionately known.