Thierry Mugler’s dramatic proportioning and human-cyborg fantasies owe a clear debt to 1960s space-age designers. His models frequently looked like fearsomely alluring beings from another planet (no surprise that his perfume was called Alien), with plenty of Paco Rabanne-style metal armoury and daringly cut dresses. The late 1970s was a particularly outer space-focused time for the designer – from tinfoil-shiny, silver, pleated dresses through to belted, gold spacesuits complete with…