claim: Phoenix, Arizona is a southwestern U.S. state.
evidence: Johan Axel Hojer -LRB- August 12 , 1890 in Visby - 22 April 1974 in Vallingby -RRB- was a Swedish physician and the Director General .. Visby. Visby. Vallingby. Vallingby. Director General. Director General. He was the son of Professor Nils Hojer and Emmy Hojer .. He began to study medicine at the Karolinska Institute in 1908 and became a Licentiate of Medicine in 1916 .. Karolinska Institute. Karolinska Institute. He went to Paris in 1919 , where he became acquainted with the nurse Signe Dahl and they later married in 1920 .. In addition to his work and social commitment , Hojer in the early 1920s researched on vitamin C and its role in connective tissue cell maturation .. He submitted his thesis in Stockholm in 1924 for PhD degree as Studies in scurvy , and then became the Associate Professor of Hygiene in the Physiological Institute at Lund University .. Lund University. Lund University. He was appointed in 1930 as the city physician of Malmo in 1935 and then became Director General of the Medical Board , a post he left in 1952 .. Director General. Director General. Malmo. Malmo. During his time in the Medical Board , he made several reforms in terms of preventive care , including family planning , maternal assistance and care of infants as well as the dental services .. Hojer was appointed in the UN 's expert commission for economic affairs and in its housing commission .. He was sent as a special officer for improving medical education in India on the request of Travancore-Cochin state .. Travancore-Cochin state. Travancore-Cochin. Hojer was appointed as the Principal of Medical College , Thiruvananthapuram in Kerala a position he served till 1954 .. Kerala. Kerala. After retirement , he worked on international issues , including the effects of the Vietnam War .. Vietnam War. Vietnam War