From Medical College of Virginia's 1934 yearbook.

From the University of North Carolina at Chapel Hill's 1909 yearbook.

From William and Mary's 1915 yearbook.

From Peace Institute's 1909 yearbook.

From Interlachen's 1928 yearbook.

From Kent State's 1985 yearbook.

From Barnard's 1908 yearbook.

From William and Mary's 1915 yearbook.

From Kansas State's 1917 yearbook.

An inkblot from Yeshiva's 1961 yearbook.

There's really only one answer to the classic riddle about the tree that falls in the forest with nobody around to hear it.  Keep that tree from falling in the first place, and then it won't matter whether it makes a sound or not.  From Biola University's 1982 yearbook.

You may have (correctly) surmised that castles in the air condense from evaporated moat water (as we proved here).  But they may also form out of the incensation of ritual offering bowls.  From the University of Montana's 1908 yearbook.

From Belmont Abbey's 1962 yearbook.

The "Flunk" demon.  From Swarthmore's 1898 yearbook.

Memories of college.  From Duke's 1965 yearbook.

A spirit photograph from State Teacher's College, Farmville, Va.'s 1934 yearbook.

When we're asked, as chronologicians, to correct a temporal anomaly, we often have to explain that it's not as easy as resetting a clock, for there are mighty forces out there.  From NY School of Agriculture at Alfred University's 1942 yearbook.

From Swarthmore's 1967 yearbook.

From the 1949 Ole Miss yearbook.

Bob the owl.  From Henderson-Brown's 1913 yearbook.