Gwen Prout stamp collection vol.184 Physics, Mathematics, Astronomy #2

The volume comprises a collection of stamps, first day covers, articles and notes on the themes of physics, mathematics and astronomy. The stamps come from all over the world covering Europe, North America, South America, Africa, Oceania and Asia. Additional items are in volume 183.

The following are represented in the volume:

René Descartes

International Year of Mathematics, 2000

International Congress of Mathematics, 2014

John (János) von Neumann

Alan Turing and Bletchley Park

Norbert Wiener

Microelectronics and the integrated circuit

Invention of the microprocessor

Edward Roberts

The internet

Ulugh Beg

Pedro Nunez

Nicolaus Copernicus

Tycho Brahe

Johannes Kepler

Galileo Galilei

Christiaan Huygens

Anders Celsius