This man is a famous physicist and chemist. His laws in physics and chemistry are well known, but he made significant contribution to this other field, where they “test” people using images like 2. Who is he? What is 2 used to test for?

1. 2.

Cracked by: udupendra , sidsen , sand , username , darthshak , Ananta , Raghuvansh , Martin , Dibyo , Sridhar C , Jean Valjean , dheeraj , Sharada , mach101 , Rithwik K , Nakul , shrik , malcaluffin , Ajay Parasuram , krishna , sumo_ftb , Mo , Pranav , madhur , ali and akhi.

udupendra, sidsen, sand, username, darthshak, Ananta, Raghuvansh, Martin, Dibyo, Sridhar C, Jean Valjean, dheeraj, Sharada, mach101, Rithwik K, Nakul, shrik, malcaluffin, Ajay Parasuram, krishna, sumo_ftb, Mo, Pranav, madhur, ali and akhi