What is Ola Ullsten?
{{Infobox Prime Minister |image= Ola Ullsten.JPG |name = Ola Ullsten |office1 = [[Minister for Foreign Affairs (Sweden)|Minister for Foreign Affairs]] |primeminister1 = [[Thorbjörn Fälldin]] |term_start1 = 12 October 1979 |term_end1 = 8 October 1982<br/><small>({{Age in years and days|1979|10|12|1982|10|8}})</small> |predecessor1 = [[Hans Blix]] |successor1 = [[Lennart Bodström]] |office2 = [[Deputy Prime Minister of Sweden]] |primeminister2 = [[Thorbjörn Fälldin]] |term_start2 = 1 August 1980 |term_end2 = 8 October 1982<br/><small>({{Age in years and days|1980|8|1|1982|10|8}})</small> |predecessor2 = [[Ingemar Mundebo]] |successor2 = [[Ingvar Carlsson]] |primeminister3 = [[Thorbjörn Fälldin]] |term_start3 =7 March 1978 |term_end3 = 18 October 1978<br/><small>({{Age in years and days|1978|3|7|1978|10|18}})</small> |predecessor3 = [[Per Ahlmark]] |successor3 = [[Sven Romanus]] |office4 = 28th [[Prime Minister of Sweden]] |monarch4 = [[Carl XVI Gustaf of Sweden|Carl XVI Gustaf]] |term_start4 = 18 October 1978 |term_end4 = 12 October 1979<br/><small>({{Age in years and days|1978|10|18|1979|10|12}})</small> |predecessor4 = [[Torbjörn Fälldin]] |successor4 = [[Torbjörn Fälldin]] |deputy4 = [[Sven Romanus]] |deputy = |birth_date = {{Birth date|1931|06|23|df=y}} |birth_place = [[Umeå]], [[Sweden]] |death_date = {{death date and age|2018|5|28|1931|6|23|df=y}} |death_place = |party = [[Liberal People's Party (Sweden)|Liberal People's Party]] |spouse = Evi Esko<br><small>(1961-1981; divorced)</small><br>Louise Beaudoin<br><small>(1989-present)</small> |children = ''With Evi Esko:''<br>Maria Ullsten<br>Katarina Ullsten<br>''With Louise Beaudoin:''<br>Nicolas Beaudoin-Ullsten<br> Christian Beaudoin-Ullsten }} '''Stig Kjell Olof (Ola) Ullsten''', (23 June 1931 in [[Umeå]], [[Sweden]] &ndash; 28 May 2018) was a [[Sweden|Swedish]] former [[politician]] and [[diplomat]]. He served as the [[Prime Minister of Sweden]] from 1978 to 197