Dr. Alvin T. Robinson Jr., 38, and his wife, Kathryn Ackart Robinson, 35, were killed July 9 in the crash of a Pan American World Airways jetliner in the New Orleans suburb of Kenner, La.

Dr. Robinson was born in Washington and graduated from St. John's College High School. He earned a bachelor's degree at Syracuse University and his medical degree at Howard University. He also took a master's degree in public health from the University of California at Berkeley. He maintained a medical practice in obstetrics and gynecology in Washington until 1980, when he moved to Christiansted, St. Croix, V.I.

Mrs. Robinson was born in Albany, N.Y., and graduated from Mount St. Mary's College in Hooksett, N.H. Her marriage to Brian Sheehan ended in divorce. She and Dr. Robinson met on St. Croix and were married there in 1981.

The Robinsons are survived by their daughter, Marianne Kathryn of Christiansted, and by Mrs. Robinson's child from her first marriage, Brian Sheehan of Cleveland, Ohio. Dr. Robinson also is survived by his parents, Dr. and Mrs. Alvin Robinson Sr., and a sister, Mrs. James King, all of McLean. Mrs. Robinson is survived by her parents, Mr. and Mrs. T. Edmund Ackart of Albany, and two brothers, Thomas Ackart of Chicago, and David Ackart of Averell Park, N.Y. PHOTOS: Alvin T. Robinson and Kathryn Robinson.