Problem:

Listed in columns A & B are first and last names.
Each of those names has a matching worksheet, named in the following format: \"FirstName LastName\".
We want to create a formula to retrieve the cell A1 from the sheet that matches each name.

Solution:

Use the INDIRECT function as shown in the following formula:
=INDIRECT(\"\'\"&A2&\" \"&B2&\"\'!A1\")