G. Mark Mulleian's feature exhibit at the landmark Frank Gallery, owned by Leonard Roy Frank, on famed Sutter Street Gallery Row, of the Union Square area, became one of San Francisco's main attractions all through the 1970s, capturing the attention of people from all walks of life, including a large number of appreciative members of the Hippy generation, Janis Joplin being perhaps the best known of the frequent gallery visitors among them.
			It was here that countless many would come to see the artist at work in his loft studio above the gallery. Noted for his startling realism and detail, along with his thought-provoking subject matter, writers, journalists, main stream television reporters and photographers from all over the world would feature Mulleian's creative output through the years, reporting on the artist's wide-ranging topics of interest as well as the high level of technical expertise displayed in his work. This is were Mulleian’s mural size paintings were painted while the public watched as his media coverage soared on a national and international scale.
			There were all sorts of celebrities in attendance at the gallery as well, with such notables as Herb Caen, Elton John, Janis Joplin, and Vincent Price making regular visits, along with Shirley Temple Black, the Three Christy Minstrels and Beverly Sills whenever they were in town. Local celebrities such as Tullah Hanley and Thomas S. Szasz, as well as mime artists Robert Shields and Lorene Yarnell were also frequent visitors, along with such luminaries as American philosopher Eric Hoffer, civil rights leader William Kunstler, and founder and president of the American Conservatory Theatre (ACT) William Ball. All were dedicated admirers of Mulleian's work. Add to this the long list of fans among the cast members and musical theater stars like Angela Lansberry who performed in productions next door at the Marines Memorial theater and you have an impressively wide spectrum of gallery patrons.
			Audiences from both landmark theaters would fill the gallery many evenings through each week. All were among the admirers of Mulleian's work at the Frank Gallery, a venue that became an iconic, ongoing public event in the 1970s