Features Jim Secord discusses his GTR project Leah Astbury discusses her GTR project Martin Johnson discusses his GTR project Peter Jones discusses his GTR project John Forrester discusses his GTR project Professor Sir Robert Edwards (1925–2013) Frog pregnancy testing Medieval medical reference book The Sekenesse of Wymmen Multimedia embryos Sexual selections A book of ominous births, 650 BC Martin Johnson discusses his GTR project July 2013Martin Johnson, Emeritus Professor of Reproductive Sciences and Principal Investigator on the Generation to Reproduction project, discusses his work on the history of IVF and mammalian embryology.