In 1890, behind his house at Giverny, Claude Monet set up several easels in a field, side by side, in front of some stacks of wheat. When the light changed, he did not adjust the painting. He changed canvases.
His stepdaughter Blanche carried them out to him in a wheelbarrow. He would work on one canvas for as long as the light held, sometimes under half an hour, then swap it for the next, chasing effects that lasted less time than it took to mix the paint. He wrote to Geffroy that autumn that the sun was setting so fast he could not keep up with it. Most painters complain about a difficult sitter. Monet’s sitter was the rotation of the earth.
The question is why a grown man, already successful, already famous, would submit to this. The answer starts with what he refused to believe in, which was the thing itself. A haystack, common sense says, is a haystack at dawn and the same haystack at noon. It has a colour, the way it has a weight. Monet thought this was a polite fiction. What reaches your eye is never the object, only the light arriving from it this second, and that light has never happened before and will never happen again. Frost makes the stack pink. Dusk makes it violet. None of these is the true haystack, because there is no true haystack. There is only the present tense.
He gave the idea a modest name, the envelope, the skin of light and air a moment wraps around everything it touches. What I want to paint, he said in various ways all his life, is not the bridge or the house but the air around them, between them, the thing that has no edges. He admitted the ambition was close to impossible. He kept at it for sixty years anyway.
It helped that he had trained his eye into an instrument almost frightening in its precision. The American painter Lilla Cabot Perry, his neighbour at Giverny, recorded his advice: forget what the objects are. See only a small square of blue, an oblong of pink, a streak of yellow, and paint exactly that. Cézanne put it with envy and affection in one sentence: only an eye, but my God, what an eye.
The cost of that eye was a kind of permanent exposure. There is a story Monet told against himself, late in life, to his friend Georges Clemenceau. In 1879 his wife Camille died at thirty-two. He sat at her deathbed, grieving, and caught himself, against every wish, observing the colours death was laying over her face, the blues, the yellows, the greys. He painted her there, a canvas that still exists, blurred like something seen through ice. He confessed it with horror: the eye had kept working when the husband wanted it to stop. Obsession is the word we use, but it ran deeper than wanting. Light was simply the only thing he could not stop seeing.
This is also why the late series paintings, the haystacks, the poplars, the cathedral facades, the London fogs, are not repetitions. Repetition assumes the subject stays still while you copy it. Monet’s series prove the opposite: hang thirty Rouen Cathedrals side by side and the stone dissolves, hour by hour, into weather. When fifteen of the haystack canvases were shown together in Paris in 1891, they sold within days, and a young Russian painter named Kandinsky later saw one and realized, with a shock he wrote about for the rest of his life, that the object had become optional. Abstraction walked in through the door Monet had left open.
He never followed it through. He stayed loyal to looking, to the pond, the garden, the sky doing something it would only do once. Why the obsession with light? Because he had noticed, earlier and more completely than anyone around him, that light is the only thing we ever actually see. Everything else is inference. He spent his life painting the evidence.