Structural engineer who designed the Sears Tower and made the principles of tall-building construction. Known as the daddy of tubular styles, especially as found in high-rise structures. Pioneered CAD or computer-aided style. He gained a Ph.D. in structural anatomist from the College or university of Illinois at Urbana-Champaign. His undergraduate research took place on the Bengal Anatomist College (afterwards Bengal Anatomist & Science College or university, College or university of Calcutta) as well as the College or university of Dhaka’s Ahsanullah Anatomist College (afterwards Bangladesh College or university of Anatomist and Technology). He designed the Willis Tower, among the tallest structures in america, along with the John Hancock Middle, that was 100-tales high. He and his wife, Liselotte, got a girl, Yasmin. He liked poetry, especially the task of Rabindranath Tagore. He and Daniel Burnham both became important architects.