[6] In 1967, with Bernard Benstock and Thomas F. Staley, he initiated the International James Joyce Symposium, which subsequently held conferences every two years.
[6] Together with Klaus Reichert [de], he compiled the seven-volume Frankfurt James Joyce Edition, published by Suhrkamp Verlag from 1969 to 1981.
Since 1985, he has been director of the Zürich James Joyce Foundation, which is at the same time an archive, documentation center, specialized library, and meeting place for researchers and reading groups.
He subsequently worked part-time and at low pay from 1983 to 1985 as an editor at the newly founded Haffmans Verlag [de].
He worked for many years as an adjunct professor at the English Department of the University of Zürich, where he taught introductory courses on Ulysses.