We have been able to find out a small amount about some of the people who attended the Opening Ceremony at the Hall:-
Sir Joseph Cockfield Dimsdale, 1st Baronet, PC KCVO (19 January 1849 – 9 August 1912) was a distinguished public figure in the late nineteenth and early twentieth centuries. He was born in Cornhill on 19 January 1849, the eldest son of Joseph Cockfield Dimsdale of Cleveland Square, London,] and educated at Eton His father was from an old Quaker family with roots in Essex and he was related to the physician and politician Thomas Dimsdale.
He was the Managing Director of Prescott, Dimsdale and Co, bankers. He was Alderman of Cornhill from 1891 to 1902, was elected Sheriff of London for 1893, and Lord Mayor of London in September 1901 (serving November 1901 to November 1902).] He was a leading member of the Grocers’Company of which he was for a time Master. In the 1900 general elections, he was elected as the MP for the City of London and served one term until 1906.
He was knighted in 1894, in commemoration of the opening of the Tower Bridge and birth of an heir to the Throne while he was Sheriff. In 1902 he carried the Crystal Sceptre of the City of London in front of King Edward VII at his Coronation. The ceremony was re-scheduled from June to August, due to the King´s illness, but the 1902 Coronation Honours list was released on the intended coronation day on 26 June 1902, and announced that he would receive a baronetcy. He was created Baronet, of Goldsmiths, Langdon Hills, in the County of Essex and of Lancaster Street in the Borough of Paddington in the County of London, on 23 July 1902. Later that year he was appointed a Knight Commander of the Royal Victorian Order in the November 1902 Birthday Honours List. He was also an active member of the Primrose League and died on 9 August 1912, whilst in the office of Chamberlain of the City of London a position he had held since 1902.
Lady Beatrice Dimsdale also in attendance at the opening of the Hall I can confirm that she participated in various charities and was instrumental in the memorial hostel at Limehouse being built. Among other posts she held she was the President of the Ladies Guild of the British and Foreign Sailors’ Society
The Bishop of Barking who was at the 1902 opening ceremony of the Hall wass Thomas Stevens, and was born in 1841 in Wymondham and he was the first Bishop of Barking. He was the son of Thomas Ogden Stevens of Salisbury. He was educated at Shrewsbury, Sherborne and Magdalene College, Cambridge. He received the degree of Doctor of Divinity from Magdalene College, Cambridge in May 1901. He was appointed Suffragan Bishop of Barking in February 1901. Retired in 1919 and he died in 1920.