Laboratory for the Development of Substitute Materials is:
Seth Bockley, Jessica Hudson, Chloe Johnston, Ira S. Murfin, Kerensa Peterson,
Angela Tillges, and Seth Zurer. The members of LDSM are performance, literary,
and visual artists variously affiliated with a number of prominent Chicago theatre
companies, including Redmoon Theater,
500 Clown, Collaboraction, Walkabout Theater, BackStage Theatre, and the Neo-Futurists.
Not pictured: Angela Tillges