1943
Dr. Berger is born in Newark, New Jersey to Philip Graham and Jean Weller Berger.
1965
Dr. Berger marries Frances Ann Williams.
1965
Dr. Berger receives a Bachelor of Science from Delaware Valley College and becomes a research and teaching assistant at Ohio State University.
1967
Dr. Berger receives a Master of Science from Ohio State University.
1970
Dr. Berger receives a Doctor of Philosophy from Ohio State University.
1972
Dr. Berger becomes a faculty member at Iowa State University and works as a developer of mixed model animal predication programs.
1979
Dr. Berger becomes a consultant of computer applications for the Animal Production Division of the Food and Agriculture Organization (FAO) in Rome, Italy.
1980
Dr. Berger serves as a visiting cooperative scientist in Bet Dagan, Israel.
1981
Dr. Berger participates in the 1st Annual Production Conference in San Jose, California.
1982
Dr. Berger becomes a professor of animal science at Iowa State University.
1988
Dr. Berger participates in a technology transfer project to develop a genetic evaluation program for dairy cattle in Tunisia.
1994
Dr. Berger takes a sabbatical at Wageningen Agricultural University (now Wageningen University & Research) in The Netherlands.
2010
Dr. Berger earns the title of Professor Emeritus of Animal Science.