During Kusama’s 15-year stay in New York, from 1958 to 1973, though she was as relentless in developing her major series of artworks—“Infinity Net” paintings, stuffed-phallus-covered “Accumulation” objects, “Infinity Mirror Rooms,” and performances and polka-dot-painting Happenings—as she was in trying to make a living, she faced hardship and disappointment at nearly every turn.