My contribution is personal and historical, giving knowledge to a historical dutch female motorbiker who was my mother: Willy Koppen 1924-2002. All material comes from her diaries, photos token in it's time numberless publications of Dutch, French and Amarican press like "MOTOR" from 1952 till 1958 (not digitalized). In July 2023 a book will out about her achievements, incredible for time and place.