Arthur George Perkin 

This is a portrait of Arthur George Perkin, a chemist, by Richard Jack. The painting portrays Perkin wearing a red and green gown, possibly a graduation robe, and appears to be holding a letter. The style is realistic and captures the subject's likeness in detail. It is likely a formal portrait commissioned to commemorate Perkin's achievements in the field of chemistry. The painting showcases Jack's skill in depicting both the subject's physical characteristics and the texture of clothing, highlighting the artist's attention to detail and his mastery of realism.