21. Westergaard was later Assistant Professor of Theoretical and Applied Mechanics at the University of Illinois ." 22. He was a founder member of the National Committee for Theoretical and Applied Mechanics in 1983. 23. From 1900, he was professor of applied mechanics and steel structures at the Technical University of Denmark. 24. He took a vibrations course from Donald E . Hudson, professor of mechanical engineering and applied mechanics . 25. Doyoyo is a researcher in applied mechanics , ultralight materials, green building, renewable energy, and other fields of engineering. 26. He was also a Member of the General Assembly of the International Union of Theoretical and Applied Mechanics . 27. In 1890, he was named Professor of Municipal and Sanitary Engineering in charge of Theoretical and Applied Mechanics . 28. Whilst in hospital he studied and following his release passed two pre-doctorate diplomas in Applied Mechanics and Thermodynamics. 29. He joined the faculty in 1958 and was chairman of the division of applied mechanics in the 1960s. 30. The subjects included : Mathematics, Mining and Applied mechanics , Practical Assaying and Ventilation and Explosives, along with others.