This dataset contains dates, places and people of the correspondence of the Dutch doctor and natural philosopher Jan Ingen Housz (1730-1799). He was a Dutch doctor who became the personal physician of the Austrian empress Maria Theresia and later discovered photosynthesis.
The data set is based on the letter diary he kept during the years 1774-1793. The data of 532 letters have been enriched with biographical information from various (online) sources.