Julia,+Sol,+Jonathan,+Sophie,+Freddy

A long time ago in Ancient Greece....media type="custom" key="16050824"

After a long time the idea was revisited by.....media type="custom" key="16051174"

About 80 years later the idea was modified by....media type="custom" key="16052526"

Then another scientist made a breakthrough in atomic theory...media type="custom" key="16053008" or...media type="custom" key="16053618"