The past, the present, and the future.

Abstract

Dear subscribers, Together with this December issue of Acta Radi- ologica, you will find a unique publication: Acta Radiologica 19212006. Our radiological journal is now quite a ''grand old lady,'' founded back in 1921, a substantial number of years ago. It is not, however, the oldest, an accolade which probably belongs to Archives of Clinical Skiagraphy, later renamed the British Journal of Radiology, founded as early as April 1896, just a few months after Wilhelm Conrad Rontgen's discovery of the so- called X-ray. In this special issue of Acta Radiologica, written and edited by Professor Emeritus Anders Hem- mingsson, a former Editor in Chief of the journal, you will find an overview of the most important milestones of the first 85 years of Acta Radiologica. You will also find one prominent article from every decade since its foundation in 1921. Each of those articles represent milestones not only within Nordic radiology, but internationally as well, the first of which is Hugo Laurell's article from 1925, ''Freie Gas in der Bauhohle,'' followed by Peter Rusthoi's ''Uber Angiographie'' from 1933, Stig Radner's ''An Attempt at the Roentgenologic Visualization of Coronary Blood Vessels in Man'' from 1945, Sven Ivar Seldinger's world-famous article from 1953, ''Catheter Replacement of the Needle in Percuta- neous Arteriography,'' and, not least, Torsten Al- men's article from 1973, ''The Effect of Non-ionic