Astronomes (Kopernikus, Kepler, Galilei,Newton and
Humboldt)
Jules Verne, french writer of science fiction
literature
Stratosphere balloon flights (all nations)
First Rockets flights 1931 to 1970
BURAN flight (Chapter complete and finished)
Shenzhou flights (Chapter complete and finished until Shenzhou 10)
Qatar spacestampscollection and lecture (Chapter complete and finished)
Major error rarities, varities of space stamps
and proof of space stamps
(Chapter is not finished and under construction)