San Francisco Museum of Modern Art, 151 Third Street. Presenting for the first time side by side the art of two of the 20th Century’s most extraordinary painters. sfmoma.org

Daily through May 25 @ San Francisco City Hall, 1 Dr. Carlton B. Goodlett Place. SF Arts Commission’s exhibition of work by legendary 60s rock n roll photographer Jim Marshall and a new Market Street Poster Series featuring contemporary perspectives on the Summer of Love. sfgov.org

@SF Public Library, African American Center, 100 Larkin Street. A tribute to the 44th president of the U.S. with items from his early childhood into his years at the White House. Hours vary, open daily through June 1. sfpl.org  

@ Strut, 2nd Floor, 470 Castro. A segment of the city-wide LitQuake Festival will be held at Strut with a team of contributors from the Foglifter Queer Literacy Journal presenting a celebration featuring performances of works from a new anthology. 7:30pm-9pm. strutsf.org

@ San Fransisco City Hall, 1 Dr. Carlton Goodlett Place, Rm 284. Supervisor Rafael Mandelman welcomes artist Jun Yang whose art is currently on display. 4-5pm. mandelmanstaff@sfgov.org

@ Harvey Milk Photo Center, 50 Scott Street. An international exhibit on the photography, art and athleticism of skateboarding. 5 pm – 8 pm. Exhibit continues through May 31. harveymilkphotocenter.com

@ Peninsula Family Service, 24 Second Avenue, San Mateo. 9am–12noon through June 7. Info: ebloomfield@peninsulafamilyservice.org or 650-403-4300 ext 4383

@ SF LGBT Community Center, 1800 Castro Street, 2nd Fl. Celebrating Small Business Week, this annual gathering is the largest LGBT business networking event in the US. 6-8 PM. ggba.com