Henry Jackson (Royal Navy officer)

Sir Henry Bradwardine Jackson, GCB, KCVO, FRS (21 January 1855 – 14 December 1929) was a British Royal Navy admiral who served as First Sea Lord during the First World War.

Early Life and Career

Henry Jackson joined the Royal Navy in 1868. He specialized in torpedoes and signaling, proving to be an innovative and capable officer. He was a pioneer in the development of wireless telegraphy, conducting early experiments that demonstrated its potential for naval communication.

Wireless Telegraphy Development

Jackson's work with wireless technology earned him recognition within the Navy. He successfully transmitted wireless signals between ships, a significant advancement for naval operations and fleet coordination. His innovations played a key role in the Royal Navy's adoption of wireless communications at the start of the 20th century.

Senior Commands

Jackson held a number of important commands during his career, including command of the torpedo school HMS Vernon, and later served as Controller of the Navy. He rose steadily through the ranks, demonstrating administrative and strategic capabilities.

First Sea Lord

In 1915, following the dismissal of Lord Fisher, Jackson was appointed First Sea Lord. His tenure coincided with a critical period of the First World War. He focused on improving the efficiency of the navy and overseeing naval operations in various theaters. He faced the immense challenges of combating German U-boats and maintaining British naval supremacy.

Later Life and Death

Jackson relinquished his position as First Sea Lord in 1916. He remained an active figure in naval affairs, serving on various committees and advisory boards. He was later appointed President of the Royal Naval College, Greenwich. Sir Henry Jackson died in 1929.

Honours and Awards

• Knight Grand Cross of the Order of the Bath (GCB)
• Knight Commander of the Royal Victorian Order (KCVO)
• Fellow of the Royal Society (FRS)