You can look for biographical information in encyclopedias and databases.
From the library website, go to the "Resources by Subject" tab. Select "Art, Architecture, and Design."
Focus first on the "Core Resources." Try Oxford Art Online, from the "Core Resources." Check off Grove Art on the top right. Search for your architect's name.
For articles about the architect's built work,try the Avery Index, also in the "Core Resources." Search for both the architect's name as well as the firm name.
For more information, try Biography in Context, a database of biographical data in all disciplines. To access this database, go to the library's homepage and select the "Research by Subject" tab and then choose All Databases A-Z, finally select Biography in Context. Conduct the search in the same manner as described above.
For book about architects, conduct a basic search in the library catalog and enter the architect's name - Lastname, Firstname as well as the firm name.