Serbian American inventor (5)
I believe the answer is:
tesla
(Other definitions for tesla that I've seen before include "Nikola ---, electricity pioneer" , "Physics unit" , "American scientist" , "Inventor" , "Inventive sort" .)
I believe the answer is:
tesla
(Other definitions for tesla that I've seen before include "Nikola ---, electricity pioneer" , "Physics unit" , "American scientist" , "Inventor" , "Inventive sort" .)