When I was a child, I took art lessons at the Museum of Modern Art. After class I would go through the collection. I did this every week, so certain paintings became almost like acquaintances.

I remember the first time I came across one of Ad Reinhardt’s black paintings. My first reaction was more or less: WTF.

I can’t remember now for sure, but there may have been a Larry Bell box nearby and possibly a white painting by Robert Ryman. I may be telescoping different visits. Bell’s glass box, which glistened like a gas leak, was a helpful comparison. It had already made me alert to the surface. Reinhardt’s painting seemed to be doing something entirely different.

So what was it?

Some artists use stripes as a way to measure space. Some use them as rhythm, structure, pattern, discipline, refusal, or optical vibration. With Morris Louis, the stripe begins somewhere else. It begins with liquid paint, raw canvas, gravity, and a room too small for the scale of what he wanted to make.

After Pat Johanson gave her talk at the Curiosity Forum, I walked her to her car.

She had come with almost nothing. A computer bag, a fanny pack, and the clothes she was wearing. She told me this was how she traveled, whether she was going to a dinner or to a site where she might have to walk through mud, look at drainage, think about water flow, plants, animals, erosion, construction, access, use. The same clothes. The same body. The same attention.

That is what stayed with me. Not just the work, though the work is remarkable, but the way she carried herself in relation to it. She did not seem to arrive anywhere with an idea to impose. She came prepared to look.

With Anni and Josef Albers, collaboration does not announce itself through shared objects or joint signatures. It appears instead through parallel concentration. Two practices, rigorously separate in material, moving toward the same questions with extraordinary discipline.