Ernest Septimus Reynolds (1861 - 1926) was an English physician. Early description of Mees lines, arsenic poisoning and the 'Epidemic of Peripheral Neuritis Amongst Beer Drinkers in Manchester and District'
Mees lines: white bands traversing the full width of the nail, running parallel to the lunula, with no palpable ridges. As the nail grows they bands move distally and finally disappear when trimmed. The finding was initially related to acute arsenic poisoning.