The Gladiator was greatly admired; but his next painting, The Orrery, caused a greater stir, as it replaced the Classical subject at the centre of the scene with one of a scientific nature.
Gladiator sangat dikagumi; namun karya lukisan berikutnya, The Orrery, menyebabkan lebih banyak kekaguman, karena mengganti subyek klasik pada pusat perhatian dengan sebuah benda ilmiah.