Aerial views of Johns Hopkins University, looking west and north.

Aerial view of Johns Hopkins University, looking east and southwest.

Photograph of 125th Anniversary event, held at B&O Railroad Museum.

Photograph of 125th Anniversary event, held at B&O Railroad Museum.

Photograph of 125th Anniversary event, held at B&O Railroad Museum, with Michael R. Bloomberg, Phyllis Bryn-Julson, Scott L. Zeger, and Donald S. Coffey.

Photograph of 125th Anniversary event, held at B&O Railroad Museum, with Jacqueline A. Nunn, K.T. Ramesh, Martha N. Hill, and G. Daniel Tyler.

Photograph of 125th Anniversary event, held at B&O Railroad Museum, with Gabrielle Spiegel, Phyllis Bryn-Julson, Scott L. Zeger, and Donald S. Coffey.

Photograph of 125th Anniversary event, held at B&O Railroad Museum, with G. Daniel Tyler, K.T. Ramesh, Eliot A. Cohen, and Joanne Robinson.

Photograph of 125th Anniversary event, held at B&O Railroad Museum, with Donald S. Coffey, Jacqueline A. Nunn, G. Daniel Tyler, and Eliot A. Cohen.