Available at IWP Articles:

• Jacques Barzun, 1957, The Man-Mountain
• Edward Bulwer-Lytton, 1883, An Essayist of Three Hundred Years Ago
• André Gide, 1939, Montaigne
• F. L. Lucas, 1934, The Master Essayist

Elsewhere:

• Theodore Dalrymple, 2021, Montaigne’s Humanity
• Joseph Epstein, 1993, Reading Montaigne