1929
Born to Michael J. Keefe and Josephine (McDaniel) Keefe in Bottineau County, Indiana.
1951
Marries Vernon L. Lidtke on April 21.
1952
Earns a Bachelor of Science from the University of Oregon.
1955
Is a programmer analyst at Shell Development Company in Emeryville, CA until 1959.
1960
Is a programmer analyst at the University of California, Berkeley until 1962.
1963
Teaches as an assistant professor at Lansing Community College until 1968.
1968
Is an educational specialist at Johns Hopkins University in Baltimore, MD.
1968
Teaches as an assistant professor of computer science at Towson University until 1980.
1974
Earns a Master of Education, cum laude, from Johns Hopkins University.
1979
Earns a Doctor of Philosophy in computer education from the University of Oregon.
1980
Teaches as an associate professor at Towson University until 1990.
1984
Is the associate program manager within the National Science Foundation in Washington, D.C.
1987
Becomes a senior member of the technical staff at Software Productivity Consortium in Reston, VA, remaining until 1988.
1990
Teaches as a professor at Towson University through 2002.
1992
Serves as a program director within the National Science Foundation in Washington, D.C. until 1993.
1999
Is the adjunct accreditation director for computing at ABET through 2009.
2002
Receives the title professor emerita by Towson University and maintains it through 2009.
2014
Receives the Lifetime Achievement Award from the Department of Computer and Information Sciences at Towson University.