You can locate biographical information in:
When looking for biographies, try searching for theorist name AND biography.
For example, if I was looking for biographical information on Kurt Lewin in the library catalog, I would search for Kurt Lewin and biography. If you are in a database that specializes in biographies, you may just need to put the theorist's name.
Why search here? Good for succinct overviews of a wide variety of subjects and topics, provided through reference articles drawn from encyclopedias and other reference sources.
Content type: Encyclopedia articles, biographical information, dictionary entries, videos, images
Includes full-text biographical information on more than one million people from throughout history, around the world, and across all disciplines and subject areas.
Why search here? Find comprehensive biographical profiles of significant figures in American history, from the earliest inhabitants to prominent individuals of our time.
Content type: Scholarly biographies, including detailed accounts of individuals' lives, careers, and impact on American history and culture.