They gave a prize to each member of the academy. Given sentence is in simple past tense and it is in passive voice. Rule : Subject + V2 + Other agents
From Voice · English Language Competence Test
The packet will be delivered to your house.
He teaches us grammar.
The Army chief punished his subordinate.
I cannot accept your offer.
One must keep one's promises.
We will not allow them to run away.
He made us work.
Our task had been completed before sunset.