Charles John Aldrich (1861-1908) American neurologist. Provided early description of Mees lines he termed 'Leuconychia striata arsenicalis transversus'
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'
Rudolf Adriaan Mees (1873-1964) was a Dutch psychiatrist and physician. Described Mees lines in acute arsenic poisoning (1919)
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.