Thanks to him, we got to know blood groups: Who is Karl Landsteiner?

Thanks to him, we got to know blood groups: Who is Karl Landsteiner?

He received the 1930 Nobel Prize in Physiology or Medicine for his discovery of the major blood groups and his development of the ABO blood group system, which made blood transfusion a simple procedure in medicine. He emigrated with his family to New York in 1923 for professional opportunities, working for the Rockefeller Institute.

He received more than 120 firearm patents: Who is John Moses Browning?

He received more than 120 firearm patents: Who is John Moses Browning?

John Moses Browning spent his entire life devoted to firearms and their design. He is regarded as one of the most creative and prolific gun designers of all time, reportedly from the time he started working in his father's gunsmith shop at the age of seven until the day he died, while he was still working on a gun design 64 years later.