Letter from [Alan Archibald Campbell Swinton], 40 Chester Square, S. W., to Alice [Susan Lucy Swinton] Reports on his activities whilst in Paris for two nights; informs he is better but still suffering from the effect of shingles, having to be careful about his diet; notifies of having a had a fine "wireless" concert, mentioning wirleless speech and the upcoming second Royal Society Soiree. Encloses a group photograph from a dinner party he held at his home (40 Chester Square), depicting himself, Sir Herbert Jackson; Sir Alexander Kennedy, Professor Arthur Keith, Horace Brown, and Professor John Millar Thomson. Informs he is engaged in a wireless patent case, as expert witness for Sir Oliver Lodge. 20 June 1920