title: Experiments.
abstract: In this article, I have provided a brief history of my life. After tracing my family background and my early interest in physical sciences, I discuss how I entered biology under the influence of Robert Emerson. I have always enjoyed doing experiments and this led to new measurements and analyses of 'chlorophyll unit', efficiency of photosynthesis, excitation energy transfer, delayed light emission, thermoluminescence and electroluminescence in photosynthetic organisms. It is my view that discoveries are made because we follow our scientific curiosities.
authors.affiliation: Biology Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee, USA.
authors.forename: W A
authors.initials: WA
authors.lastname: Arnold