Royal Navy | Royal Air Force | Smithsonian Institution | United States Army Corps of Engineers | Royal Dutch Shell | Royal Society | Royal Albert Hall | Royal Shakespeare Company | Royal Opera House | Royal Victorian Order | Royal Engineers | Royal Australian Navy | Royal National Theatre | Royal Canadian Navy | Royal Canadian Air Force | Royal Court Theatre | Royal Marines | Royal Commission | Royal Academy of Music | Anne, Princess Royal | Royal Philharmonic Orchestra | Theatre Royal, Drury Lane | Royal Flying Corps | Royal Canadian Mounted Police | Royal Australian Air Force | Royal Artillery | Royal Festival Hall | Royal College of Art | Royal Botanic Gardens, Kew | British Royal Family |
At various times he lectured at the Royal Institution of Engineers, London, the Paris Société Internationale des Electriciens, the University of Nebraska, and Columbia.