Seven of Clubs: Building 13-4 Solution

Authors: Anand Sarwate and Jonny Surick

All of the numbers are room numbers of offices located on this floor of building 13. Going to the offices and taking the indexed letter of the first name of the office resident, the letters spell out LEWIN, cluing the famous MIT professor Walter Lewin. Fitting with the puzzle, the answer to the puzzle is his first name, WALTER (also clued by the given number of blanks).

4122 (1): Lisa Sinclair = L 
4057 (2): Jennifer Patten = E
4053 (1): W. Craig Carter = W
4022 (4): Christine Ortiz = I
4005 (7): Caroline Ross = N