Philip, Simon, Matthew, Thomas, James the Greater, Peter, Philip, Andrew, Bartholomew.
[Footnote: See PI. XLVI. The names of the disciples are given in the order in which they are written in the original, from right to left, above each head. The original drawing is here slightly reduced in scale; it measures 39 centimetres in length by 26 in breadth.]
Taken from The Notebooks of Leonardo da Vinci edited by Jean Paul Richter, 1880.