He joined Bell Laboratories in 1962.
Her husband joined Bell Laboratories in 1940 and worked for 17 years on naval and antiaircraft radar systems.
He then joined Bell Laboratories in the USA, for a one-year post doc research period.
He joined Bell Laboratories in 1965 as a member of technical staff.
He joined Bell Laboratories, then decided to continue his education and attended the University of Pennsylvania, and studied combinatorial mathematics.
He joined Bell Laboratories in 1950 as a member of the technical staff in the polymer research department.
In 1968, Tsui joined Bell Laboratories where he was a pioneer in the study of two-dimensional electrons.
In 1973, he joined Bell Telephone Laboratories, editing scientific reports.
He became a lecturer at the University of Toronto before joining Bell Laboratories in 1915.
He then joined Bell Laboratories in 1971.