1895

British author H.G. Wells publishes "The Time Machine."

1905

Albert Einstein's special theory of relativity shows that space and time are relative, not absolute, and that time is actually a fourth dimension within what he calls "space-time."

1916

Einstein discovers that space-time is curved.

1937

Mathematician Kurt Goedel proposes that the universe itself may be a time machine.

1949

Goedel demonstrates mathematically that pathways through time are possible.

1967

U.S. physicist John Wheeler invents the name "black hole" to describe singularities in space and time.

1974

Astrophysicist Frank Tipler plots paths around a vast, imaginary spinning cylinder, confirming that paths through time can exist.

1987

Air Force scientist and engineer David Anderson proposes his time-warped field theory.

1988

Caltech University's Kip Thorne suggests using wormholes as a possible means of time travel.

1990

David Anderson extends time-warped field theory creating the worlds' first complete space-time model and virtual laboratory.

1991

Richard Gott at Princeton University proves that cosmic strings could be used for time travel.

1995

The Time Travel Research Center is formed by David Anderson.