FTP, name this English portraitist, a rival of Joshua Reynolds who painted The Blue Boy.
He painted a monastery with a tree on the right side in his circular painting The Charterhouse. He painted a girl in a white dress next to her brother in orange shorts and a black hat in Heneage Lloyd and His Sister, and a less characteristic portrait is that of John Kirby, who is in front of a dark brown background.  He shows a man leaning with a long rifle and his wife sitting on a bench in a blue dress next to a plowed field in Robert Andrews and His Wife Frances, though he is better known for a depiction of a young Jonathan Buttall. FTP, name this English portraitist, a rival of Joshua Reynolds who painted The Blue Boy.
He painted a monastery with a tree on the right side in his circular painting The Charterhouse.
Thomas {Gainsborough}