Carol Jo Crannell was born November 15, 1938. She married Hall Crannell June 17, 1961. They have three children: Annalisa, born March 26, 1966; Francesca, born December 14, 1967; and Tasha, born June 30, 1969. Their residence, which they share with a variety of friendly beasts, is in Silver Spring, Maryland. 

• PhD, Physics, Stanford University, 1967
• BA, Physics, Miami University, 1960

Present Positions 

• 1974-Present NASA-Goddard Space Flight Center, Laboratory for Astronomy and Solar Physics; Astrophysicist in the Solar Physics Branch
• 1990-Present The Catholic University of America, Adjunct Professor of Physics

• 1990 California Institute of Technology, Visiting Associate Professor
• 1974-1990 The Catholic University of America, Adjunct Associate Professor of Physics
• 1974 Massachusetts Institute of Technology, Visiting Scientist
• 1973-1974 Imperial College, London, Research Staff
• 1970-1973 Federal City College, Washington, D.C., Research Associate
• 1968-1970 The Catholic University of America, Research Associate
• 1968-1969 Howard University, Assistant Professor of Physics
• 1967 Stanford University, Post-doctoral Research Associate

• Principal Investigator, the High Energy Imaging Device (HEIDI) Balloon Project. HEIDI is the successor to GRID. HEIDI flew for the first time in June 1993.
• Principal Investigator, the Gamma-Ray Imaging Device (GRID) on a Balloon. Leader of a team, comprising thirteen Co-Investigators from five universities and three government laboratories, that was selected to develop and fly the first Fourier-transform imager for hard X rays and gamma rays from solar flares as part of NASA's Max '91 Solar Balloon Program.
• Member of the Pinhole/Occulter Facility Definition Team, 1980 - 1990 and of the MAX '91 Study Committee, 1984 - 1986.
• Principal Investigator, the Laboratory's balloon program for solar physics. Leader of a team developing hard X-ray and gamma-ray imagers and spectrometers for the study of solar flares. Three successful flights of a high-resolution spectrometer were achieved: the first on November 1, 1980, the second on June 10-11, 1982, and the third on May 14, 1984.
• Guest Investigator, Solar Maximum Mission. Leader of an investigative team utilizing multiwavelength satellite and ground-based observations to study the role of energetic particles in solar flares.
• Co-investigator, Solar-Terrestrial Theory Program, an investigation to study the role of energetic particles in solar flares.
• Participant in the Skylab Solar Workshop on Solar Flares. Developed a model to explain the temporal and spectral characteristics of hard X-ray and microwave radio emission observed in impulsive solar flares.
• Member of the Instrument Control and Data Handling Working Group for Shuttle Payloads. Specified the capabilities required on board shuttle and in the payload operations control center.
• Member of the Solar Physics Space Shuttle Facility Definition Team. Participated in the development of the scientific and technical requirements for the Hard X-Ray Imaging Instrument to be employed in measurements of solar flares and cosmic X-ray sources.
• Guest Investigator, SAS-3, an X-ray observatory developed by the Massachusetts Institute of Technology and flown by NASA as the Third Small Astronomy Satellite. Coordinated X-ray, optical and radio observations of the UV Ceti Flare Stars.
• Contributed to the development of spark chambers for use in the measurements of the trajectory and spectra of high energy cosmic rays from balloon and satellite platforms.
• Contributed to the development of large area inorganic scintillators for distinguishing between electrons and protons in the cosmic ray flux. Measured the lateral and longitudinal development of electromagnetic cascades in a variety of absorbing media ranging from water to lead.

• Director of a Research Experiences for Undergraduates Site funded by the Division of Atmospheric Sciences of the National Science Foundation, 1989 to present. Funded through March 1999.
• Coordinator for the Summer Student program in the Laboratory for Astronomy and Solar Physics, NASA Goddard Space Flight Center.
• Teaching assistant and guest lecturer for the second quarter of freshman physics at Caltech, 1990. Taught one recitation section for the quarter on electromagnetism and presented a guest lecture on RC circuits for the entire class of 200 students.
• Research supervisor for PhD candidate in the Department of Physics and Astronomy, University of North Carolina, Chapel Hill. The student's work comprised the development of a thermal flare model and successful tests of that model using observations of impulsive X-ray and microwave emissions.
• Taught six weeks of Electricity and Magnetism for senior physics majors, The University of New Hampshire.
• Research supervisor for PhD candidate in the Astronomy Program, University of Maryland. The student's work comprised the analysis of multiple impulsive solar flares identified in the OSO-5 hard X-ray data.
• Lecturer at the National Youth Science Camp, Bartow, West Virginia, 1979 - 1986.
• Dissertation director for PhD candidate in the Department of Physics, The Catholic University of America. The student's work comprised the analysis of hard X-ray observations of periodically variable sources.
• Team taught Analysis of Experimental Errors, a graduate level course in statistics for experimentalists and observers, The Catholic University of America.
• Research Supervisor for undergraduate students from Federal City College participating in high energy cosmic ray experimental program at NASA-Goddard Space Flight Center.
• Lecturer on experimental techniques in cosmic ray astrophysics for undergraduate students in the Physics Department, Federal City College.
• Research Supervisor for Masters Degree candidate in the Department of Physics, The Catholic University of America. The student's research comprised an experimental investigation of the properties of scintillating salts as high energy particle detectors.
• Assistant Professor of Physics, Howard University. Team taught a general science course in physics, astronomy, and chemistry.

• Chair, Source Evaluation Board for the Gamma-Ray Remote-Sensing Spectrometer to fly on the Mars Observer Mission, 1985-1986.
• Member, National Science Foundation Committee on Equal Opportunity in Science and Technology, 1981 - 1984.
• Chair, Sciences Directorate EEO Advisory Committee, 1975-1980.

• Trainer, Girl Scout Council of The Nation's Capital, 1983 - present.
• Leader, Senior Scout Troop 1897, 1982 - present.
• Leader, Cadette Scout Troop 2533, 1992 - 1993.
• Leader, Cadette Scout Troop 1999, 1987 - 1989.
• Assistant Leader, Cadette Scout Troop 1581, 1978 - 1981.
• Coordinator and Troop Camper, Junior Girl Scout Troop 1599, 1975 - 1980.
• President, Hillandale Citizens Association, 1980 - 1981, Member of the Executive Committee, 1979 - 1986.
• President, West Hillandale Citizens Association, 1975 - 1976 and 1978 - 1979.
• President, Francis Scott Key Junior High School PTSA, 1981 - 1983.

Member of the Board, Cresthaven Elementary School PTA, 1976 - 1979. Personal Data

• Elected to Fellowship, American Physical Society, 1992
• Women in Aerospace, Outstanding Achievement Award, 1990
• National Science Foundation, Visiting Professorship for Women, 1990
• NASA Goddard Space Flight Center, Order of the Silver Tongue, 1986
• NASA Goddard Space Flight Center, Equal Employment Opportunity Award, 1985
• Sigma Xi
• National Science Foundation Fellow, 1960 - 1962
• Honorary Woodrow Wilson Fellow, 1960
• Phi Beta Kappa

Author or Co-Author of 92 publications, of which 53 are in refereed journals.