This is a brief survey of T. E. Harris’s work on recurrent Markov processes and on stochastic flows, and of some more recent work in these fields.
"T. E. Harris’s contributions to recurrent Markov processes and stochastic flows." Ann. Probab. 39 (2) 417 - 428, March 2011. https://doi.org/10.1214/10-AOP594