He also became a founding member of the National Academy of Sciences and was promoted to captain in July 1862 .
At the onset of the Civil War , Maury resigned to join the Confederate Navy and Gilliss was placed in charge of the observatory in 1861 .
Gilliss also became a founding member of the National Academy of Sciences and was promoted to captain in July 1862 .
At the onset of the Civil War , Maury resigned to join the Confederate Navy and Gilliss was placed in charge of the observatory in 1861 .