IOWA ACADEMY OP SCIENCE 
15 
tained; being assured that the latter would find their full development here- 
after.” 
The spirit of pure science has many times been expressed in the unselfish 
sacrifice of some great man’s life in the cause of truth in order that humanity 
might be brought to higher standards of living. It is the spirit which glories 
in victory over ignorance, prejudice, and unreasoning tradition. 
