Mozi was a Chinese philosopher, logician and essayist who founded the school of Mohism during the Hundred Schools of Thought period. The ancient text Mozi contains material ascribed to him and his followers.
The Mohists were experts at building fortifications and siege defenses
Confucian philosopher Mencius was one of several critics of Mozi, in part because Mozi's philosophy was believed to lack filial piety.
Lu Ban was a Chinese architect or master carpenter, structural engineer, and inventor, during the Zhou Dynasty. He is revered as the Chinese Deity (Patron) of builders and contractors.