In 2009 she was named an ACM Fellow "for contributions in power-aware computing."
In 2012, he was made an ACM Fellow for "contributions to human computer interaction with an emphasis on computer supported cooperative work."
Tarjan was also elected an ACM Fellow in 1994.
He has over one hundred peer-reviewed papers in the database field and was named an ACM Fellow in 2006.
In 2008 she was named an ACM Fellow.
He has been an ACM Fellow since 1999.
In 2011, he was named an ACM Fellow for his contributions to graph algorithms and computational geometry.
He became an ACM Fellow in 1998.
Harper was named an ACM Fellow in 2005.
In 1994, all three were named ACM Fellows in recognition of the same work.