Аннотация:This Special issue of Photosynthetica has been compiled to honour Professor Reto Jörg Strasser's 75th birthday which was on 28 December, 2018. Reto has been a famous scientist in the field of photosynthesis and chlorophyll a fluorescence since the beginning of his PhD studies in 1968 at University of Bern. In 1976, he got a habilitation degree in photobiology at the same university and within the next year (1977) he moved to the USA to work as Principal Acting Investigator (PAI) at University of California, San Diego (UCSD).
