Who found Blood Group?

A Austrian Scientist called Karl Landstiener at University of Vienna, discovered 3 human blood groups, namely:- A, B, O blood groups, He was awarded with Nobel prize for this discovery in 1930.

Karl Landstiener

Why should you know your Blood Group?

There are mainly 4 types Blood Groups

  • A group
  • B group
  • AB group
  • O group