Tau Sigma Delta (ΤΣΔ) is a scholastic honor society that recognizes academic achievement among students in the field of Architecture and Allied Arts.
The society was founded at University of Michigan in May, 1913, and admitted to the Association of College Honor Societies in 1948.
Tau Sigma Delta honor society has 52 active chapters across the United States, and a total membership of approximately 19,000.
References
Tau Sigma Delta Wikipedia(Text) CC BY-SA