stands for Leipzig electrodermal activity laboratory. The first
version was developed by Christian Kaernbach during his stay in Leipzig.
It will keep its name even if later Leipzig is no longer the location
where Ledalab is developed.
What does Ledalab have to do with a swan? Leda is a figure in a Greek
myth: Zeus visits the Spartan queen Leda in the disguise of a swan. Leda
becomes mother of the famous Helen that followed Paris to Troy, which
eventually lead to the destruction of Troy, and of Pollux (Polydeuces),
twin of Castor, who, however, is said to be son of Tyndareus, the legal
husband of Leda, king of Sparta. Another daughter of Leda and Tyndareus
is Clytemnestra, wife of Agamemnon, whom she murdered on his return from
The motif of Leda and the Swan has often been painted. The most famous
examples are by Leonardo da Vinci, Correggio, Michelangelo, and Rubens.
The painting that serves as startup display is by Pre-Raphaelite painter
Paul Prosper Tillier (* 1834, † 1915). The font used to display
Ledalab throughout the documentation is a freeware font called “Loki
Cola” by Dale Thorpe. It was chosen because the L could be thought
to represent a swan...