Krakauer, D., Bertschinger, N., Olbrich, E. et al. The information theory of individuality. Theory Biosci. 139, 209–223 (2020). https://doi.org/10.1007/s12064-020-00313-7 Despite the near universal assumption of individuality in biology, there is little agreement about what individuals are and few rigorous quantitative methods for their identification. Here, we propose that individuals are aggregates that preserve a measure of temporal integrity, i.e., “propagate”…