William Lever (later to become 1st Viscount Leverhulme) was co-owner of Lever Brothers, which would later become Unilever.
These additions included the stables, a new music room and a new porch that changed the main entrance of the house from the west to the south.
The gatehouse (which can still be seen today) was designed by J. Lomax-Simpson.
The Baronetcy was given to him upon reccomendation of the Liberal Party (for whom he had served as an MP between 1906 and 1909), William Lever becomes Sir William Lever.
Elizabethan-style wings were added to the west side of the house and much of the work designed by Douglas and Fordham was demolished.
On the 7 May 1925, William Lever, 1st Viscount Leverhulme passed away. His funeral was attended by 30,000 people.
He was succeeded by his son, William Lever, 2nd Viscount Leverhulme, to whom the ownership of Thornton Mannor passed.
Philip was fanatical about horse racing, and had a stud at the Manor.
He was a friend of the Royal Family, Her Majesty the Queen Mother stayed regularly at Thornton Manor sharing with Phillip his passion for horse racing.
Other members of the Royal Family would also stay at Thornton Manor including Prince Philip, Princess Margaret, and Lord Snowdon, along with many other visitors such as members of other royal families, heads of state, Prime Ministers and politicians, captains of industry and people of the arts and academic world.
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