The 7th International Cyclotron Conference, In addition to 25 invited papers, a total of held in ZUrich from 19-22 August, 1975, was atten 103 papers were submitted for presentation at the ded by 231 registered . participants from 21 different conference. In order to avoid parallel sessions, countries. Visitors came from all 5 continents, only 30 papers were selected for oral presentation. showing the truly international character of the The rest of the papers were displayed, with great so-called cyclotron family. After a slight slump success, in two poster sessions, with the authors around 1970 in science funding in general, it is explaining in detail to interested participants encouraging to see that cyclotrons emerge again their reports. The high-light of the banquet was the with a promising future, rich in applications. For after dinner speech by M. S. Livingston on the history an informal summary of the topics and highlights of of the cyclotron. The hit of the ladies program was this conference, the reader is referred to the back the visit to a local chocolate factory. The rumour inside cover of these proceedings. There Henry goes that some conference participants too preferred Blosser, from Michigan State University, a very this visit to the session talks! active pioneer in the cyclotron field, put down his impressions in a matter of ten minutes after some The list of old-timers who participated in all small pressure from the editor.

Inhalt
Opening Address.- Welcome Address.- Cyclotron Status Reports.- New Proposals.- RF-Systems, Magnets.- Orbit Dynamics, Extraction and Injection, Beam Transfer, Spectrometers.- Beam Diagnostics, Ion Sources.- Applications of Cyclotrons in Biology and Medicine.- Applications of Cyclotrons in Nuclear Physics, Chemistry and Engineering.- Control Systems.- Heavy Ions.