Acknowledgments
This paper is dedicated to the memory of David L. G. Noakes (1942 –
2020), scientist, scholar, educator, mentor, collaborator, and friend.
We thank Tom Stahl for a review of an earlier draft of this paper. This
paper benefitted from discussions with Marc Johnson. Brian Sidlauskas
provided recommendations for key literature to use. This paper
benefitted from the constructive and critical reviews of two anonymous
reviewers.