Prompt
Generate a realistic portrait of Pierre Joliot, a middle-aged French biologist with a gentle expression, wearing a suit and standing in front of a subtle background that hints at his connection to science, possibly with some elements related to photosynthesis or bioenergetics; he should be depicted with a sense of quiet confidence and authority, reflecting his achievements including being a renowned researcher, a member of the French Academy of Sciences, and a recipient of prestigious awards like the CNRS Gold Medal and the Grand Officer of the Legion of Honour.