There is no indication anywhere regarding the name of the Colosseum’s Architect. It was inaugurated in 80 A.D. by Vespasian’s older son, called like himself, Titus Flavius Vespasianus, Titus, referred to as “the darling of humanity” because of his mild and generous nature, died in the second year of his reign. Additional adjustments were made to this structure The structure by his brother, Domitian (81-96), “an authentic autocrat,” who prospered him.
Nobody knows due to the fact that no engraving tells us his name. The building was erected to the glory of the Flavian Family.