Chris Molloy, on his birthday in 2004, consulting the Great Dictionary.

The Alley Gallery, 1712 Sherman Ave., is hosting “The Grand Poohbah Speaks,” a playful homage to Chris Molloy, the founder of Alley Gallery. A local personality and avid tinkerer, Mr. Molloy left behind a collection of scientific experiments and mechanical curiosities. The exhibit is called “an interpretation of his musings – on earth and thought The Cosmos.”

“The Grand Poohbah Speaks” is open daily during normal business hours at the gallery throughout Aug. 28.