Orientation Film 54
Origin of the Numbers
When Hurley visits Leonard Sims to find out the origins of “the numbers”, Leonard tells him that he got them from a man call Sam Toomy, who’s in Australia. We then find out that Leonard and Sam were stationed together at a listening post in the Pacific when they picked up a transmission that was repeating the numbers over and over again and that it was about 16 years ago (presumably before Rousseau changed the transmission).