From the time Dan was 12 years old to the present, he always was the explorer of life. He was very fortunate in having an opportunity to see how life exists in several human societies around the world. His many professional foreign travels are presented. Dan went to a 1959 meeting in Argentina, to England in 1963, and to Chile in 1963. After he married Claire, she accompanied him on his 44 day around the world trip in 1965 and on all his later foreign trips. In 1966, there was a Latin American trip on the way to doing research at a laboratory in Chile. Next on his travels was being a consultant in Venezuela in 1969 and attending a meeting in Russia in 1972. His son Raymond joined in trips to France in 1977, to Australia in 1983, to a 1990 trip to a Peruvian meeting, and finally joined the 1991 meeting to a meeting in Japan, with a side trip to China where Dan gave lectures. The last 2 foreign trips for Dan with Claire, but not with Raymond, were the meetings in 1994 in Buenos Aires, Argentina, and the 1998 meeting, which was held in both Israel and Jordan.