Tadeo Ando a Japanese architect, teaching himself architecture
Paulo Mendes da Rocha a Brazilian architect defining his style as bold, simplistic and an innovative use of materials such as concrete and steel.
Santiago Calatrava a spanish architect whose also a sculptor, engineer etc... the style he uses is very personal to himself referencing the human body and the natural world.
I.M Pei architect that uses large abstract shapes and geometric forms to create his work
Zaha Hadid a unique architect thats mixes art and architecture into one form creating amazing products