For his work Holley was recognized as an IBM Fellow.

Since 1963, 217 IBM Fellows have been appointed.

In 1969, he was appointed an IBM Fellow.

In 1969 he was appointed an IBM Fellow, the company's most prestigious technical honor, and a consultant to the director of research.

He was made an IBM Fellow in 1996.

He was appointed an IBM Fellow in 1976.

He was named an IBM Fellow in 1970.

He was appointed IBM Fellow in 1986, and led the physics department of the research lab from 1986 until 1988.

Allen became the first female IBM Fellow in 1989.

IBM Fellows are given broad latitude to identify and pursue projects in their area of expertise.