Stephenie Lesley McMillan (née Gardner; 20 July 1942 – 19 August 2013) was an internationally recognised British set decorator. Born in Ilford, Essex, but raised in Chigwell, she graduated from the Woodford County High School for Girls. She worked as a secretary in offices of Stillman & Eastwick-Field, a London-based architecture firm. She was best known for working on all the Harry Potter films. She received three Academy Award nominations for the first, fourth, and seventh films, as well as a BAFTA and Critics Choice Award nomination for t…