Ruth Hill Useem (31 May 1915 – 10 September 2003) was a sociologist who introduced the concept of Third Culture Kid (TCK) to describe children who spent part of their developmental years in a foreign culture due to their parents' working abroad. Her work was the first to identify common themes among various TCK's that affect them throughout their lives. After her retirement in 1985, Dr Useem focused her research on Adult Third Culture Kids (ATCKs). May 31 is the 151st day of the year in the Gregorian calendar (152nd in leap years), with 214 days remaining. ... 1915 (MCMXV) was a common year starting on Friday (see link for calendar). ... September 10 is the 253rd day of the year (254th in leap years). ... 2003 (MMIII) was a common year starting on Wednesday of the Gregorian calendar. ... Social interactions and their consequences are the subject of sociology. ... Third Culture Kids (abbreviated TCKs) is a term for children who have lived a significant portion of their lives in a country that is not their passport country, usually because of parents work obligations. ...

Third Culture Kids include military brats, missionary kids, diplomatic kids, business kids and "other". Scores of books have been written on Third Culture Kids, "Global Nomads", and military brats based upon the concept originally proposed and defined by Dr. Useem. Military brat is an informal term in American English for a child who has one or both parents who serves or served full-time in the military. ...

Ruth Useem graduated with a PhD in sociology and anthropology from the University of Wisconsin in 1947. She taught at the University of Michigan from 1952 to 1985. Initiation rite of the Yao people of Malawi Anthropology (from the Greek word , man or person) consists of the study of humanity (see genus Homo). ... The University of Wisconsin–Madison is a public research university located in Madison, Wisconsin. ...

References

• Third Culture Kids World Biography on Ruth Hill Useem
• University of Michigan Obituary for Ruth Hill Useem