Top two
Cleopatra's needle
It was originally erected in the Egyptian city of Heliopolis on the orders of Thutmose III, around 1450 BC. In 1819, Muhammad Ali Pasha gave Britain the obelisk as a gift. However, Britain's prime minister at the time, Lord Liverpool, hesitated on having it brought to the country due to shipping expenses.[2] It remained in Alexandria until October 1877 when its transport to London was funded by William James Erasmus Wilson. the plaque is explaining the bomb damage.
Bottom two.
Left one is a statue of Arthur Sullivan of Gilbert and sullivan who's comic opera's are and were often performed at the Savoy theatre just a few yards from the Embankment gardens where the statue stands. Here is Three little maids 😁
Right statue is of Robert Burns,.
.Robert Burns, (born January 25, 1759, Alloway, Ayrshire, Scotland—died July 21, 1796, Dumfries, Dumfriesshire), national poet of Scotland, who wrote lyrics and songs in Scots and in English. He was also famous for his amours and his rebellion against orthodox religion and morality