For two years, an American boy rode my train to school in Tokyo. His name is Owen. He's from Vermont. He was eight. He was born blind. He had a white cane, and he had one question. He asked it every morning, to whoever was sitting next to him. "What color is the sky today?" His mother taught him that. "If you can't see something, ask someone who can. They'll look at it better for you." Most mornings, the person next to him was Mr. Ishida. Fifties. Gray suit. The most tired man on the Chuo Line. For a month, Mr. Ishida's answer was always the same. "Gray." One morning, Owen asked, "Is Tokyo always gray?" Mr. Ishida didn't answer. Later, he told me that was the moment he realized he had not looked up at the sky in about twenty years. Owen started calling him Mr. Gray. Owen knows colors by how they feel. Blue feels like cold water. Yellow feels like the sun on your arms. Red feels like a hug from his grandma. So one morning, he asked: "Mr. Gray, what does gray feel like?" Mr. Ishida couldn't answer. Owen thought about it. "I think gray feels like waiting." The next morning, Mr. Ishida left his house twenty minutes early. He stood outside the station and studied the sky like it was a contract. Japanese has hundreds of old names for colors. He started using them. "Today the sky is asagi. The color of a young green onion." Owen gasped. "The sky is an onion?" The whole train car laughed. In Tokyo, at 7:40 in the morning, a whole train car laughed out loud. I had never heard that before. After that, it spread. A high school girl described the cherry blossoms for him. An old woman got off two stops early, picked a petal from the sidewalk, and came back on the next train to put it in his hand. The station attendant started writing on the whiteboard by the ticket gate every morning: "For Owen. Today's sky." People stopped to read it. Then they started adding to it. "Pale pink at the edges. Like the inside of a shell." "One cloud. It looks like a sleeping cat." "Blue. Real blue. Tell him it's a good one today." And Owen gave it back. A young woman was crying quietly across from him one morning. Nobody looks at that in Tokyo. You look away. Owen leaned toward the sound. "You sound sad. Do you want to hold my hand?" She did. All the way to Shinjuku. To a man who got on heavy and slow every day, he said, "Your feet sound tired. I hope you get to sit down." The boy who couldn't see anything saw every single one of us. Last spring, Owen's family went home to Vermont. On his last morning, the whiteboard at the station was completely full. Hundreds of people. Hundreds of skies. Mr. Ishida read every one of them to him on the platform. His voice cracked on most of them. At the very bottom, in his own handwriting, was one more. "Today's sky is the color of Vermont." Owen tilted his head. "What color is Vermont?" Mr. Ishida was quiet for a long time. "I don't know," he said. "But I think it feels like you." There is still a corner of that whiteboard, every morning, that says "For Owen. Today's sky." Somebody takes a picture and sends it to his mother in Vermont. She reads it to him at breakfast. Mr. Ishida still introduces himself to new people at work as "Mr. Gray." He says it's the best name anyone has ever given him. A boy who has never seen the sky taught a whole train line in Tokyo to look up.