1. Janet Lane-Claypon was one of the founders of the science of epidemiology, pioneering the use of cohort studies and case-control studies.

1. Janet Lane-Claypon was one of the founders of the science of epidemiology, pioneering the use of cohort studies and case-control studies.
Janet Lane-Claypon was privately educated and entered the London School of Medicine for Women in 1898, winning numerous honors and fellowships.
Immediately after her education, Janet Lane-Claypon began research at University College, London.
In 1912, Janet Lane-Claypon published a ground-breaking study of two cohorts of babies, fed cow's milk and breast milk respectively.
Janet Lane-Claypon found that those babies fed breast milk gained more weight, and she used statistical methods to show that the difference was unlikely to occur by fluke alone.
Janet Lane-Claypon investigated whether something other than the type of milk could account for the difference, an effect known as confounding.
Janet Lane-Claypon showed that breast cancer risk increased for childless women, women who married later than average, and women who did not breast feed.
In 1916, Dr Janet Lane-Claypon was named the dean of King's College for Women.
In total, Janet Lane-Claypon published three books and 30 scientific papers.
In 1929, Janet Lane-Claypon married civil servant Sir Edward Rodolph Forber, as his second wife.