1938
Dr. Hankinson is born in St. Joseph, Missouri to William Augusta Hankinson and Rose Mary Hankinson.
1960
Dr. Hankinson marries Lyla Lee Pollard Hankinson and becomes a commissioned reserve officer in the U.S. Army.
1960
Dr. Hankinson receives a Bachelor of Science in chemical engineering from the University of Missouri, Rolla (now Missouri University of Science and Technology), where he becomes an instructor of chemical engineering.
1962
Dr. Hankinson receives a Master of Science in chemical engineering from the University of Missouri, Rolla.
1964
Dr. Hankinson becomes an instructor of chemical engineering at Iowa State University of Science and Technology.
1967
Dr. Hankinson receives a Doctor of Philosophy in chemical engineering and statistics from Iowa State University of Science and Technology.
1967
Dr. Hankinson becomes an engineer for Phillips Petroleum Company in Bartlesville, Oklahoma.
1969
Dr. Hankinson becomes a captain in the U.S. Army Reserve and receives an honorable discharge.
1970
Dr. Hankinson serves as a thermodynamics consultant for Phillips Petroleum Company.
1978
Dr. Hankinson is appointed principal of thermodynamics for Phillips Petroleum Company.
1980
Dr. Hankinson becomes principal process engineer at Phillips Petroleum Company.
1982
Dr. Hankinson receives an honorary degree in chemical engineering from the University of Missouri, Rolla.
1982
Dr. Hankinson becomes a senior staff associate at Phillips Petroleum Company.
1985
Dr. Hankinson becomes manager of the engineering sciences branch and technology system development at Phillips Petroleum Company.
1987
Dr. Hankinson becomes a division manager of metering and IT in the Phillips 66 Natural Gas Company.
1991
Dr. Hankinson becomes division manager of architecture and new technologies corporation information technology at Phillips Petroleum Company.
1993
Dr. Hankinson becomes a senior scientist in research and development at Phillips Petroleum Company.
1996
Dr. Hankinson becomes manager of advanced modeling technology in corporate engineering at Phillips Petroleum Company.
1999
Dr. Hankinson retires from Phillips Petroleum Company.
2001
Dr. Hankinson begins to write several award-winning short stories and becomes director/instructor of the RCIA Inquirers Program at St. John Before the Latin Gate Catholic Church in Bartlesville, Oklahoma.