Theodore H. Okiishi

Theodore H. Okiishi (born 1939) is an American mechanical engineer. He is an emeritus faculty member at Iowa State University, where he also received his bachelors and doctoral degrees. He has written numerous technical papers, and is a co-author of the books A Brief Introduction to Fluid Mechanics and Fundamentals of Fluid Mechanics. The latter has been called one of the "top 10 standard handbooks for mechanical engineers." Okiishi was appointed a Fellow of the American Society of Mechanical Engineers in 1992. He received the Society's R. Tom Sawyer Award in 2008, for his contributions to Gas turbine technology. He also received the Society's Melville Medal in 1989 and 1998, for his publications in the Society's Transactions.