The historical “main” building of ETH was finished 150 years ago, in 1864. Or rather, the first version was finished, since it was altered and extended quite a bit since then (as did the surroundings!). In a recent NZZ article, I saw this picture
![ETH 1870](https://blogt.ethz.ch/kowalski/files/2014/08/office.jpg)
of the building as it looked in 1870. The red square indicates where my office is located…