David Rittenhouse Laboratory

[2] Many other disciplines also hold classes in the building due to its ample lecture space.

The architect for the original structure was James R. Edmonds, Jr. though the addition was designed by Van Alan.

[2] There are stylistic differences between the two parts of the structure – for example, the windows of the 1967 section on the Walnut Street facade are fashioned in the shape of the rounded-edge television monitors of the time.

In February 2019, a group of faculty, graduate students, post-doctoral fellows, and staff petitioned the administration to fix the recurring maintenance problems (e.g., water dripping from leaks in the ceilings, HVAC problems including poor temperature control, etc.)

[3] In November 2023, The Daily Pennsylvanian reported that the DRL is included in part of a 600 million renovation planned over the next several years.