Dr
        
    
        
    
        
            
            Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109, USA
        
    
    Author in the following contributions
- Constraints on Mechanisms for Longitudinal Spreading of Impulsive SEPs from Multispacecraft Observations of Scatter-free Events
 - Galactic Cosmic-Ray Composition and Spectra for Ne through Ni from 0.8 to 10 GeV/nuc with the SuperTIGER Instrument
 - Analysis of GCR Spectra and Composition Using Penetrating Particle Data from the CRIS Instrument on ACE
 - The Heavy Nuclei eXplorer
 - Insights Into Particle Transport Obtained from Solar Energetic Particle Anisotropies
 - Inferred Ionic Charge States for Solar Energetic Particle Events from 2012-2015 with ACE and STEREO
 - Observation of 60Fe in the Galactic Cosmic Rays
 - The Longitudinal Distribution of Solar Energetic Particles
 - SuperTIGER and the Origin of Galactic Cosmic-Rays
 - Abundances of Ultra-Heavy Galactic Cosmic Rays from the SuperTIGER Instrument