Thursday, January 08, 2009

Looking upwards


This picture depicts one of the most important astronomers and astrologers in ancient times. He lived and worked in Alexandria (Egypt, 1st and 2nd century A.D.) and his theories had an influence on the astronomical and mathematical thought in the 16th century. For him, the Earth was the center of the Universe. Who is he ?

2 comments:

Anonymous said...

Hola maestro soy Enrique y creo que el personaje es Claudio Ptolomeo.

Francisco M. said...

OK! Muy bien Enrique. Mira también el correo pues acabo de mandaros las invitaciones. See you tomorrow.