PROFESSOR HAL GABOW served on the faculty from 1973 to his retirement in 2008. He received
a doctorate from Stanford University, under the supervision of Harold Stone (Stanford) and also
Gene Lawler (UC Berkeley). His thesis was on efficient algorithms for matching on graphs, an
interest he pursued throughout his career.
His wife Patricia Acquaviva Gabow is a medical doctor, currently CEO of Denver Health and
Hospital Authority. In 2009 she was listed in 5280 magazine’s 25 Most Powerful People in
PROFESSOR WILLIAM WAITE began his studies in physics in 1956 at Oberlin college. After
graduation, he married Joanne Ilene Lischer and entered graduate school at Columbia in
His career was marked by wide travel from one side of the globe to the other with visiting
positions at Macquarie University, Universität Paderborn, Griffith University, the Royal
Professor Waite’s first textbook, Implementing Software for Non-Numeric Algorithms, appeared
in 1973, and he continues to write today with the recent publication of Generating Software from
ASSOCIATE CHAIR KARL WINKLMANN joined the computer science department in 1984. He
recently retired after more than twenty years on the faculty including two years as chair. Prior to
His career at CU focused on management of the computer science undergraduate program. Aside
from his many administrative contributions to the department, Karl was a prominent instructor in
says, he is doing very well.
MARGA POWELL, long-time computer science staff member and office manager, retired after 22
years of service to the department that included being the administrative assistant for our first
large departmental grant from the NSF.
She keeps busy pursuing her passion for rock climbing and is succeeding at leading higher-
PAT WARRICK began working for CU in 1996, and she joined the Computer Science Department
as receptionist in 2004 where she worked until retiring last year. The first few months of her
retirement were filled with renovating a condo that we own. “Choosing new colors, carpet, and