In Irises, the scientists discovered a red pigment called geranium lake, which was commonly used by van Gogh and other late-19th century painters. Van Gogh apparently mixed it with blues to create ...

One particular red—geranium lake, or PR-50—introduced doubts. Van Gogh died by suicide in 1890, and researchers have always thought geranium lake was first patented around 1905. Mass brought ...

Van Gogh loved reading, and Elimar is a literary ... There’s the late 19th-century pigment palette, including geranium lake made with PR50, which was patented in 1905 but might have been ...

Two walls and a concrete floor remain of the building on Wayzata’s Lake Street that once housed the Van Gogh’s Daughter shop. But if a new building is going to be built on the site, ...