“…Where in history, the quality of argumentation, the fidelity of the evidence and judgement‐making are critical, physics relies on laws, theorems and scientific regularities (Muller & Young, 2019). How far history and physics teachers are aware of, and utilise, comparisons between the construct of argumentation in the two subjects, in order to clarify the particular nature of their discipline, is another matter (Chan & Erduran, 2022). Ashbee (2021) argues that school leaders need an understanding of the ‘comparative natures’ (p. 30) of subject specialisms.…”