Which astronomer, using large, high-quality telescopes in the early 1900s, contradicted Lowell's findings by seeing only vague spots and indistinct markings?

Answer

Eugène Antoniadi

The French astronomer Eugène Antoniadi used better telescopes to observe only indistinct markings, which he attributed to atmospheric haze, directly contrasting with the detailed, interconnected lines mapped by Lowell.

Which astronomer, using large, high-quality telescopes in the early 1900s, contradicted Lowell's findings by seeing only vague spots and indistinct markings?
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