Janice T. Driesbach is Curator of Art at the Crocker Art Museum in Sacramento. Her most recent book is "Direct from Nature: The Oil Sketches of Thomas Hill" (1997). Harvey L. Jones is Senior Curator of Art at the Oakland Museum of California. His most recent book is "Twilight in Reverie: California Tonalist Paintings, 1890-1930" (1995). Katherine Church Holland, formerly Fine Arts Curator at the California Historical Society, is currently an independent curatorial consultant.