The Physics Education Research (PER) Group was founded in 1964 by Prof. Amos de-Shalit, the scientific director of the Weizmann Institute who also headed it in its early years. The importance Amos saw in the integration of research and development paved the road for the group’s work to these days: the group members are rooted in physics teaching in Israel, as well as in the PER community around the world. The group has seen its role for over 50 years …