Minneapolis-based photographer Ilya Natarius strives for honesty in his portraiture. In his new exhibition, “Creative Combustion,” opening Thursday at Gamut Gallery, he turns his truth-seeking lens to those in the arts community. Eighteen men and women from across the spectrum of visual and performing arts reveal their fonts of inspiration, be it a physical place or cognitive spark. Minnesota notables like Tricia Khutoretsky of Public Functionary, Joan Vorderbruggen of Hennepin Theatre Trust, and dancer/choreographer Judith Howard are among the subjects. Natarius is loyal to 35mm film and printmaking, and his images capture a complicated concept in a straightforward and unflashy way. A companion art book explores the psychological origins of creativity and the subjects’ own narratives about what prompts them to make art. This exhibition also includes musical performances by Adam Conrad and members of Improvestra on opening night, and a CD-release party by rock outfit Qaanaaq at the exhibition’s finale. Natarius graduated from the University of St. Thomas and works as an engineer by day. The opening reception on Thursday, August 11, runs from 7 to 11 p.m. (admission is $5), and the exhibit finale will take place Friday, September 2, from 7 to 10 p.m. (entry is $10 or $15 with a CD purchase).