Fritz Haber: The War Criminal Who Helped Prevent Global Hunger
Marking 90 years since Fritz Haber’s death, the scientist who helped prevent world hunger with a method for producing synthetic fertilizers but also spearheaded chemical warfare for Germany in World War I.
In how many ways can chess pieces be arranged on a board without threatening any other pieces? What is fairy chess and what does it all have to do with a million dollar prize?
10 minutes 
