James Jespersen

Mummies, dinosaurs, moon rocks

1996

Our Uncertain Universe

Our Uncertain Universe

1995

Looking at the invisible universe

1990

Rams, roms & robots

1984

Mercury's web

1981

Time & clocks for the space age

1979

From Sundials to Atomic Clocks

1977

Signal design for time dissemi

Signal design for time dissemination

1967