He was elected to the National Academy of Science in 1954.
In 1915 he was elected to the National Academy of Design.
David was elected to the National Academy of Engineering in 1966.
He was elected to the National Academy of Sciences in 1987.
In 2012 he was elected to the National Academy of Engineering.
He was elected to the National Academy of Engineering in 2008.
In 1993 he was elected as a full member to the National Academy of Design.
He was elected to the National Academy of Design in 1930.
In 1942 he was elected to the National Academy of Sciences.
He was elected to the National Academy in 1896.
