Education
He was a student of Pharmacy and in 1942 received a Doctor of Philosophy in Botany (Plant Physiology) and was a Scientific Assistant at the Universities of Rostock and Stuttgart.
He was a student of Pharmacy and in 1942 received a Doctor of Philosophy in Botany (Plant Physiology) and was a Scientific Assistant at the Universities of Rostock and Stuttgart.
Dettweiler was the author of over 40 articles and books From a basis in Klosinski"s "Dynamic Handwriting Analysis" he developed his own graphological direction, based on psycho-analysis integrating the theories of Balint and Winnicott, Otto Kernberg and Heinz Kohut. Doctor Dettweiler founded the International Association for Dynamic and Clinical Psychology of Handwriting in 1986, organising five conventions in 1986, 1988, 1990, 1992 and 1994.