Final answer:
The artist of the painting 'The Archers of Saint Hadrian' is Frans Hals, a renowned Dutch painter known for his loose brushwork and lively style.
Step-by-step explanation:
The artist of the painting 'The Archers of Saint Hadrian' is Frans Hals. Frans Hals was a renowned Dutch painter of the 17th century known for his loose painterly brushwork and lively style. He was particularly noted for his portraits and group portraits, capturing each character in a different manner. 'The Officers of the St Adrian Militia Company' is one of his most famous works.