It was while pursuing his undergraduate degree at the University of Hawaii in 1960 that Barack Obama Sr met Ann Dunham, a classmate. Barack Obama Sr went home to Kenya in 1964, when Obama was three years old, and returned to visit his son only once, for a month, when Obama was 10. But Barack Obama Sr never mentioned his new wife and son, not even in his scholarship applications. Barack Obama Sr's letters, which span the period from 1958 to 1964, offer new insights, particularly about his years in the US. Barack Obama with his father in an undated family photo released by Obama's presidential campaign.

Source: The Telegraph June 19, 2016 21:33 UTC