The extent and value of voluntary insurance against sickness may be assessed in terms of the number of persons and families with such insurance or in terms of the proportion of costs, due to sickness, that are met by the voluntary plans. There is no satisfactory information on the number of different individuals covered, but estimates of the proportion of sickness costs met by voluntary plans c...

representing the organizing committee of this conference, wrote to me, suggesting that I make a few remarks about Niels Vigand Pedersen. I had known Niels only since 1988 but we had became very good friends and had much to talk about, not only in mathematics but about many other things. Although there are many here who knew him longer and more deeply than I had ever known him, nevertheless our ...