4’x4′ Supersonic Pressure Tunnel StaffAugust 15, 1956. Mary W, Jackson first person in the front row right side. Mrs. Jackson had begun her studies to be an engineer in the Spring of the same year the photo was taken.Read More Facebook Pinterest X LinkedIn Email https://www.nasa.gov/image-detail/4x4-supersonic-pressure-tunnel-staff/Copy URL to clipboard> DownloadShareSize1041x794px