# 

Name Year Country Science 
achievements 
121 

Edward P. Ney
19201996 USA Physics, Astronomy

contributions to cosmic ray research, atmospheric physics, heliophysics, and infrared astronomy

122 

James Franck
18821964 Germany Physics

experimentally confirmed that atomic energy states are quantized





123 

Marian Smoluchowski
18721917 Poland Physics

Pioneering statistical physics Smoluchowski equation EinsteinSmoluchowski relation Smoluchowski coagulation equation

124 

Henri Poincare
18541912 France Physics, Geodesy

founded qualitative dynamics; created topology; contributed to solution of the threebody problem; first described many properties of deterministic chaos;

125 

George Gabriel Stokes
18191903 Ireland Physics, Mathematics, Geodesy

Stokes' law Stokes' theorem Stokes line Stokes number Stokes relations Stokes shift Navier–Stokes equations

126 

James Prescott Joule
18181889 United Kingdom Physics

discovered mechanical equivalent of heat

127 

Jabir Ibn Hayyan
722804 Iran Chemistry

father of Arab chemistry. He systematized a “quantitative” analysis of substances and was the inspiration for Geber, a Latin alchemist who developed an important corpuscular theory of matter

128 

Luca Pacioli
14451517 Italy Mathematics

Father of accounting

129 

Heinrich Hertz
18571894 Germany Physics

worked on electromagnetic phenomena; discovered radio waves and the photoelectric effect

130 

Martin L. Perl
1927 USA Physics

discovered the tau lepton
