José W. F. Valle
Here I identify some of the opportunities in particle physics associated to the lepton sector, according to their perceived significance, and taking into account the current state-of-the-art.
Comments: Conference outlook talk at The 21st international workshop on neutrinos from accelerators (NuFact2019), August 26 - August 31, 2019, Daegu, Korea 13 pages, 9 figures
