Reverse Algols and hydrogen-rich Wolf-Rayet stars from very massive binaries K. Sen, N. Langer, D. Pauli, G. Gräfener, A. Schootemeijer, H. Sana, T. Shenar, L. Mahy and C. Wang A&A, 672 (2023) A198 Published online: 21 April 2023 DOI: 10.1051/0004-6361/202245378