John C. H. Spence (1946–2021)

• Henry N. Chapman,
• S. Samar Hasnain,
• Uwe Weierstall

Affiliations

Henry N. Chapman

CFEL, Deutsches Elektronen-Synchrotron DESY, Notkestrasse 85, Hamburg, 22607, Germany

S. Samar Hasnain

Institute of Systems, Molecular and Integrative Biology, University of Liverpool, Life Sciences Building, Crown Street, Liverpool, Merseyside L69 7ZB, United Kingdom

Uwe Weierstall

Arizona State University, PO Box 871504, Tempe, AZ 85287, USA