Claës Ivar Hjalmar Edmund Wollin (8 October 1918 – 16 July 1999) was a Swedish diplomat. Wollin joined the Ministry for Foreign Affairs in 1943. He held diplomatic postings in Helsinki, Copenhagen, and at Sweden's permanent delegation to the United Nations in New York City. Over the years, he served in key roles, including first embassy secretary in Paris and Prague, counsellor in Copenhagen, and director at the Ministry for Foreign Affairs. He later became ambassador to multiple countries, including Lebanon, Poland, Austria, and Denmark. Early life. Wollin was born on 8 October 1918 in Karlskrona, Sweden, the son of Captain Ivar Wollin, and his wife Florence (née Hill). He completed his "studentexamen" in Stockholm in 1936 and earned a Candidate of Law degree from Stockholm University College in 1942. Career. Wollin began his career as an amanuensis at the Royal Swedish Army Materiel Administration and the Royal Swedish Naval Materiel Administration. In 1943, he joined the Ministry for Foreign Affairs as an attaché, serving in Helsinki in 1944 and Copenhagen in 1946. From 1948 to 1951, he was posted to Sweden's permanent delegation to the United Nations in New York City. After returning to the Ministry for Foreign Affairs in 1951, he was appointed first secretary in 1953. He served as first embassy secretary in Paris from 1955 to 1957 and in Prague from 1957 to 1960. In 1960, he became counsellor at the embassy in Copenhagen, followed by a role as director ("byråchef") at the Ministry for Foreign Affairs from 1961 to 1965. In 1965, he was appointed director-general for trade policy ("utrikesråd") and later that year became ambassador to Beirut, with concurrent accreditation to Amman, Damascus, Jeddah, and Nicosia. Wollin subsequently served as Sweden's ambassador to Warsaw (1969–1976), Vienna (1976–1981), and Copenhagen (1981–1984). Personal life. In 1943, Wollin married Christina Gyllenswärd (1920–2019), daughter of Ragnar Gyllenswärd, President of the Supreme Court of Sweden, and Countess Anna (née Posse). They had three children: Wiveka (born 1944), Cissela (born 1946), and Christian (born 1951). Death. Wollin passed away on 16 July 1999 in Oscar Parish, Stockholm. The funeral was held at Solna Church.