Benjamin DeKalbe Wood (November 10, 1894 – July 6, 1986) was an American educator, researcher, and director / professor at Columbia University. He was a pioneer in learning technologies and automated testing methods. Wood is the creator of the multiple choice test, which was the state-of-the-art way of measuring a teacher's understanding of certain subjects that in the long run influenced their salaries. He helped in the design of the multiple choice form of the pencil-in bubbles used in the 20th-century and the scoring machine that automatically read these forms, saving many hours in manual clerk labor. His concepts of intelligence tests were expanded to the accounting fields.