The incandescent female nudes featured in today's slideshow are currently on view at Krakow's Stained Glass Museum as part of new exhibition Alias. Adam Broomberg and Oliver Chanarin are this year's curators for Krakow's Photomonth, Poland's largest visual arts event, and their theme is the artistic alter-ego. "Curators expect artists to deliver work that follows on from their last piece of work; every artist has to be summed up in a few lines and that is quite a sad thing," says Broomberg. As a liberation from that cycle, the photographers invited a selection of writers (Siddhartha Mukherjee, Avery Gordon and Sean O’Toole among them) to invent a fictive persona, which was then inhabited by a visual artist, such as Roe Ethridge, Gabriel Orozco, David Goldblatt and Johan Grimonprez. "Dora Fobert," a Jewish character based on a real-life photographer's assistant, is credited for the portraits above; her backstory sees her working in the Warsaw ghetto in 1942. As a survey component to Alias, photographic copies of works from celebrated artists who have embraced the nom de guerre tradition, including Marcel Duchamp (as Rrose Sélavy), Claes Oldenberg (as Ray Gun) and Richard Prince (as John Dogg) will also be exhibited. Photomonth 2011 comprises over 50 exhibitions and coincides with the opening of MOCAK, a new museum of contemporary art in Krakow built in the former Schindler factory.