Pierre Janssen
Pierre Jules César Janssen, also known as Jules Janssen, was a French astronomer who, along with English scientist Joseph Norman Lockyer, is credited with discovering the gaseous nature of the solar chromosphere, and with some justification the element helium.
From *.wikipedia.org,
General Info
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Male
Full Name
Pierre Jules César Janssen
Date of Birth
February 22nd, 1824
Age
201
Birth Place
France, Île-de-France
Date of Death
December 23rd, 1907
Died Aged
83
Star Sign
Pisces
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