19 va sataabdaaniki chendina science tatvavettala jaabitaanu anaku ivvande 
19 va sataabdaaniki chendina science tatvavettala jaabithaa ikda Pali :

-  auguste kamte 
-  viliam weavell 
-  gorge henrii luis 
-  viliam staanlee jevons 
-  ernest mock 
-  charless sanders peers 
-  edmond hussel 
-  frederick engels 