Aston Hall, Yorkshire, 49n
Athenaeum (magazine), 333, 451, 457
Atlantic Monthly, The, 447, 448n, 449
atmospheric railway, 240 & n
Austen, Jane: Pride and Prejudice, 42
Babbage, Charles: Ada meets, 182, 186–8, 190–1, 194; background and achievements, 188; plans steam-powered computing machine (‘Difference Engine’), 189–91, 193–5, 222, 265; discussion with Mary Somerville, 194–5; develops advanced machine (‘Analytical Engine’), 195 & n, 196, 220, 223; seeks financial backing, 195; spends Christmas at Ockham Park, 209; Ada criticises to Mary Somerville, 218–19; contributes to Whewell’s ‘Bridgewater Treatises’, 218; Ada appeals to for help, 220; attends Italian conferences (1840), 222, 230, 243; frustrated endeavours, 222, 224; co-founds Cambridge Analytical Society, 225; Ada offers to assist, 229–30, 242, 346; Ada translates and annotates paper on Analytical Engine, 258, 260–8, 271, 275, 373; Ada invites to Ashley Combe, 259–60; meeting with Peel, 260; unsociability, 260; Menabrea publishes account of Analytical Engine, 261; Ada sends enquiries to, 271–3; Ada’s correspondence with, 274, 333; preface to Ada’s article, 276–7; Lovelace proposes taking over machine project, 277–8, 332; reconciled with Ada, 279; encourages Ada’s relations with Faraday, 296–7; teases Ada over Vestiges of the Natural History of Creation, 300; visits Andrew Crosse at Fyne Court, 303; Ada complains about John Crosse to, 311; Ada proposes raising money for machine, 332; Ada’s devotion to, 332; money-raising projects, 333; plans game-playing automaton, 333, 346; and William Nightingale, 333; Ada offers ‘book’ to, 334–5, 346, 367; letter from Ada on son Byron, 345; lacks investors, 346; prepares guide to 1851 Great Exhibition, 350n, 363; and Ada’s health remedies, 355–6; and Ada’s gambling circle, 367, 407; Ada asks to purchase Byron’s rifle and pistols, 372n; and Brewster, 374; given draft of Ada’s will, 388, 407; Annabella’s dispute with over Ada, 407–9; proposes publishing memoir on Ada, 407–8; refuses Annabella request for return of Ada’s papers, 407–8; bequest to Mary Wilson, 408n; claims Ada credulous and lacking in imagination, 409; On the Economy of Machinery and Manufactures, 192
Babbage, Herschel, 195
Baillie family, 147, 152–3, 171
Baillie, Agnes, 25, 135
Baillie, Joanna, 14, 25, 59, 135, 175–6, 287, 300
Baillie, Dr Matthew, 103
Baker, Mrs (of Elemore Hall, Co. Durham), 7, 131
Bankes, William, 24, 38
Barnard, Lady Anne Lindsay, 95, 100n
Barrallier, Captain, 271, 275
Barwell, Louisa, 229, 270
Bastard, Thomas Horlock, 437
Bathurst, Lady Caroline, 437
Bathurst, Henry, 437, 453
Beaurepaire, Nathalie, 244, 256, 271, 273
Beaurepaire, Victor, 244, 256, 270, 273
Beecher, Dr Lyman, 325
Bence-Jones, Henry, 336
Bentham, Jeremy, 207
Bernoulli, Jakob, 267–8
Berryer, Pierre, 269
Bibliothèque universelle de Genève, 261
Bifrons (house), near Canterbury, 163, 165
Blacket, Joseph, 14–15, 32–3, 423
Blackwell, Dr Elizabeth, 175, 426
Blackwood’s Edinburgh Magazine, 137, 446–8, 450, 453
Blessington, Marguerite, Countess of, 137, 243n
Blomfield, Sir Arthur, 329
Blonde, HMS, 152
Blücher, Marshal Gebbard Leberecht von, 88
Blunt, Lady Anne Isabella (Annabella; née King; later Baroness Wentworth; Ada’s daughter): birth, 211–13, 219; Ada criticises behaviour, 216, 229; childhood, 216; Ada’s ambitions for, 284; Ada disciplines, 291; education and upbringing, 292, 336, 338, 346, 418; neglected as child, 315; relations with grandmother, 316; rudeness, 320, 336; thrilled at move to London house, 331; keeps diary, 337; adores governess Wächter, 339; protected from brothers, 342, 460; puberty, 348; Agnes Greig offers to chaperone round Europe, 350; moves to Greigs and Ockham, 363; Ada asks to write to thank Faraday, 374; second journey round Europe, 379; attends Burrs’ ball, 380–1; responsibilities at Horsley, 380; and dying Ada, 385–6, 393; finds toy racing game, 387; confined to Horsley Towers, 417– 18; friendship with grandmother, 434; revisits Horsley Towers and father, 441; brother Ralph sends mother’s papers to, 442; marriage to Blunt, 447, 456; settles at Crabbet Park, Sussex, 456; Mary Lovelace on, 462–3; death, 463
Blunt, Wilfrid Scawen, 424, 447, 456
Blyth, James, 455
Boissy, Hilaire Etienne Octave Rouillé, Marquis de, 442
Boissy, Teresa, Marquise de (earlier Contessa Guiccioli), 204, 319, 442, 454–5; The Life of Lord Byron in Italy, 443n; Lord Byron jugé par les témoins de sa vie, 442–6, 450
Boutell, Miss (governess), 247, 254n
Boyce, Susan, 94, 96–7, 102, 109
Boys, Thomas, 338
Branch Hill Lodge, Hampstead, 134, 154
Brewster, Sir David, 185, 334, 374–7
Briggs, Eliza, 148, 151, 154, 178
Brighton: Ada visits, 176, 289–90, 340; Ada presented at court, 179; Ada’s home in, 313–14; Wellington in, 330
Brinvilliers, Madame de, 446
British Meteorological Society, 376
Brocket (house), Hertfordshire, 116
Brooklands Park, Surrey, 329, 463
Brougham, Henry, Baron, 123, 158, 184
Brown, Ephraim, 425
Brown, James, 81, 398
Brown, Sarah (née Willis), 398
Browning, Elizabeth Barrett, 347, 363, 410
Browning, Robert, 347, 363
Brown’s hotel, Dover Street, London, 397, 406
Brunel, Isambard Kingdom, 289, 427
Buchan, John, 461n
Bulwer-Lytton, Edward, 1st Baron Lytton, 352
Bulwer-Lytton, Emily, 352n
Burges, Sir James Bland, 75, 93
Burr, Daniel, 380
Burr, Margaretta, 380–1
Byron, Allegra (Claire Clairmont’s daughter with Byron), 457
Byron, Annabella, Lady (Anne Isabella; née Milbanke): dancing, 3–4; painted by Hoppner, 3–5, by Hayter, 28, by Haydon, 233–4; childhood and upbringing, 4–7, 11; proposed marriage settlement and inheritance, 8, 19; fondness for Seaham Hall, 9; education, 10–11; religious beliefs, 10, 74, 317, 386; sketching, 10; poetry, 11, 15, 33, 173, 196; uneasy letter-writing, 11; taught by Frend, 12–13; appearance, 15; first visits to London, 15–18, 28; judges character by appearance, 15–16; liked by Seaham villagers, 15; rejects suitors, 17, 20–5, 34, 38, 56; prospective inheritance from Lord Wentworth, 19–20, 84; entertaining and social life in London, 24–5; recurrent ill health, 25–6, 95, 131, 145, 154, 158, 425–6, 434–5; differences with mother, 26–7; returns to London from Seaham, 27–8; meets Byron, 28–36, 43; Byron courts, 34; Byron proposes marriage, 38, 41; estimate of Byron, 38–9; temper, 39, 41, 62n, 63; declines Byron’s marriage proposal, 40, 56; requirements in husband, 41, 46; ‘Auto-Description’ (1831), 43; resumes relations and correspondence with Byron, 44–53; declares Byron incompatible, 57–8; engagement to Byron, 58–60, 64; thanks Augusta for support, 60–1; Byron meets at Seaham, 61–2; unaware of Augusta’s relations with Byron, 64; as family lawyer, 65n, 164; wedding, 68–70; honeymoon, 71–7; saves Byron from suffocation at Seaham, 72–3; drops wedding ring, 73; goodwill towards Augusta, 73; and Byron’s sexual practices with Augusta, 75n, 77; pregnancy, 78, 83, 90, 94, 99; stays with Byron at Augusta’s, 78–80; becomes aware of Byron’s feelings for Augusta, 79–80, 85; home in Piccadilly Terrace, 81–2; invites Augusta to stay in London home,