If you're starting with a general topic or concept and want to get an idea of how it has been or is being discussed in philosophy or science and technology studies, these reference sources are good places to start. Oxford Bibliographies, especially, will tell you who the key writers and theorists have been on a specific topic, what the subsets of the topic are, and what publications are available about it. In all of these sources, pay attention to the bibliographies! They are great places to find more specific sources for your project, or at least some places to start.
Note: Some of the sources below (Oxford Bibliographies is a big offender) have sparse coverage of female scientists as opposed to male scientists. If you're looking for a female scientist to research (or you've chosen one and the overview sources don't cover her), here are some places to start:
Ogilvie, Marilyn and Joy Harvey, eds. (2000) Biographical Dictionary of Women in Science. Routledge: New York. [in library use only]
Ogilvie, Marilyn (1990) Women in Science: Antiquity through the Nineteenth Century. MIT Press: Cambridge. [online library resource]