Richard David Precht: https://commons.wikimedia.org/wiki/File:Richard_David_Precht_2015-02-20.jpg
Axel Krommer: https://upload.wikimedia.org/wikipedia/commons/thumb/c/cb/Axel_Krommer_%28Universität_Erlangen-Nürnberg%29_5.JPG/640px-Axel_Krommer_%28Universität_Erlangen-Nürnberg%29_5.JPG
Maria Montessori: https://www.google.com/url?sa=i&url=https%3A%2F%2Fsnl.no%2FMaria_Montessori&psig=AOvVaw0dsqKxRjmSxUfHU76jP6Hj&ust=1636407424532000&source=images&cd=vfe&ved=0CAsQjRxqFwoTCNit8–ah_QCFQAAAAAdAAAAABAD