When researching the history of Science, it's helpful to know about the people involved. Who discovered, invented, or figured out the scientific principles we take for granted today? What was happening in the world when they were alive, that may have influenced their work?
Britannica Academic, the online version of this famous encyclopedia, contains biographies of people from all over the world, in every time period of recorded history. The "Biographies" section of the database may be searched by name, profession, gender, era, and nationality.