Complex sentence: It is named after English physician Edward Alfred Cockayne (1880--1956) who first described it in 1936 and re-described in 1946 in a paper entitled "Dwarfism with Retinal Atrophy and Deafness".
Split into simpler sentences: It is named after English physician Edward Alfred Cockayne (1880--1956). Cockayne syndrome was first described by Edward Alfred Cockayne in 1936 and re-described in 1946 in a paper entitled "Dwarfism with Retinal Atrophy and Deafness".