Justinian I was Emperor of the Byzantine Empire from 527-565 CE. He is known as the emperor who reigned during the Empires' peak. Justinian organized many conquests in pursuit of territory and glory for the empire. At the time of Justinian's death, the Byzantine Empire had approximately a 20,000,000 population and 3,400,000 km^2 of territory. For example, the sub-continent of India is 3.3 million km^2 of territory. His most notable accomplishments are the re-construction of the Hagia Sophia and the Justinian Code. The code is a legal system of laws that was used for hundreds of years. 

The Image to the left is a mosaic of Justinian I.

Constantine I also known as Constantine the Great was Emperor of the Roman Empire from 306-337 CE. One of Constantine's most notable achievements was tolerating Christianity through the Edict of Milan in 313 CE. Constantine is known as the first Christian Emperor of the Roman Empire and was a major figure of the influence of Christianity throughout Europe. Constantine also founded Constantinople in 330 CE. Establishing the city as the new capital of the Roman Empire. Eventually, Constantinople turned into the capital for the Byzantine Empire.

The Image to the right is the Head of the Colossus of Constantine.

The Empress Theodora, wife of Justinian I, was one of the most important and influential figures in Byzantine history. She was a powerful co-ruler alongside Justinian. Theodora endorsed laws and policies that would protect women from trafficking and expanding rights in divorce and property ownership. She was a big advocator for women's rights. In addition, she played a crucial role during the Nika Riots of 532 CE. Theodora was able to convince Justinian to stay and fight rather than flee, which ended up saving the city and awarded the couple with more authority and respect.

The Image to the left is a mosaic of the Empress Theodora.