Observe the picture and answer carefully:
1.
Dr._Homi_J._Bhabha_from_India,_President_of_the_Conference_in_Geneva,_Switzerland_on_20_August_1955,_from-_Atoms_for_Peace_(01280007)_(7254400208)_(cropped).jpg
 
Identify the name of the person.
 
2.
deflection.png
 
Constituents that are deflected towards the positive plate are known as __________.