Question: Enoch Powell's speech about the Race Relations Bill was written about by whom?

Context paragraphs:
Peter Shore: Peter David Shore, Baron Shore of Stepney, PC (20 May 1924 – 24 September 2001) was a British Labour politician and former Cabinet Minister, noted in part for his opposition to the United Kingdom's entry into the European Economic Community.  His idiosyncratic left-wing nationalism led to comparison with the French politician Jean-Pierre Chevènement.  He was described in an obituary by the Conservative journalist Patrick Cosgrave as "Between Harold Wilson and Tony Blair, the only possible Labour Party leader of whom a Conservative leader had cause to walk in fear" and, along with Enoch Powell, "the most captivating rhetorician of the age".

Like the Roman: The Life of Enoch Powell: Like the Roman: The Life of Enoch Powell is a 1998 book by the English writer Simon Heffer.  It is a biography of the politician Enoch Powell.  The title is taken from Powell's 1968 Rivers of Blood speech when Powell quoted Virgil's "Aeneid": "As I look ahead, I am filled with foreboding; like the Roman, I seem to see the River Tiber foaming with much blood".

Christopher Evans (theologian): Born in Birmingham in 1909, Evans attended King Edward's School, renowned for its track record of producing theologians and Christian leaders, such as Edward Benson, once Archbishop of Canterbury.  His classmates at the school at the time include the future Conservative MP Enoch Powell.  After gaining a scholarship at Corpus Christi College, Cambridge, he became influenced by Sir Edwyn Clement Hoskyns who encouraged emphasis on literary forms used in the Bible, including songs, proverbs and stories.  He later spent a year being taught by Michael Ramsey, at Lincoln Theological College before serving four years in parochial ministry in Southampton.

Ahmed Iqbal Ullah Race Relations Resource Centre: The Ahmed Iqbal Ullah Race Relations Resource Centre is 'one of Europe's leading specialist libraries on migration, race and ethnicity'.  Open to members of the public as well as to students and researchers, it is an open access library on race, ethnicity and migration located in Manchester, England.  It actively celebrates cultures and (with its sister organisation, the Ahmed Iqbal Ullah Education Trust) fosters race relations through a range of work and initiatives.  The Centre is part of The University of Manchester and is located in Manchester Central Library.

Radio Enoch: Radio Enoch was a pirate radio station in the United Kingdom, operating out of the West Midlands, homeland of its namesake, Enoch Powell.  Radio Enoch professed a socially right-wing viewpoint, and also extolled the virtues of capitalism and privatisation.  The manager claimed it operated as an unlicensed station because its views on race and immigration would prevent it from being able to broadcast in what it deemed a "socialist" media.  The station also expressed support for the white minority rule governments of Rhodesia and South Africa.  The station was launched in 1978, broadcasting hour-long shows monthly.

Princeton Prize in Race Relations: An awards program sponsored by Princeton University and principally undertaken by its alumni, the Princeton Prize in Race Relations honors high school age students who have done notable work in advancing the cause of race relations.  The mission of the Princeton Prize is “To promote harmony, respect, and understanding among people of different races by identifying and recognizing high school age students whose efforts have had a significant, positive effect on race relations in their schools or communities.”  By recognizing, rewarding, and reinforcing the good work of students who are making a difference, the Princeton Prize hopes to promote better race relations now and to provide an impetus for other young people to work towards racial understanding in the future.

Rivers of Blood speech: On 20 April 1968, British Member of Parliament Enoch Powell addressed a meeting of the Conservative Political Centre in Birmingham, UK.  His speech strongly criticised Commonwealth immigration to the United Kingdom and the then-proposed Race Relations Bill, and became known as the "Rivers of Blood" speech, although Powell always referred to it as "the Birmingham speech".  The expression "rivers of blood", which did not appear in the original speech, is an allusion to a line from Virgil's "Aeneid" quoted by Powell (""As I look ahead, I am filled with foreboding; like the Roman, I seem to see the River Tiber foaming with much blood"").

Andrew Schulze: Andrew Schulze (March 8, 1896 – March 30, 1982) was a Lutheran Church–Missouri Synod (LCMS) clergyman who worked on race relations from 1924 until 1968 actively.  After retirement, he continued to work on race relations.  His work included partaking in the creation and founding of the Lutheran Human Relations Association of America (LHRAA), and he was its first executive secretary, whose duties including editing "The Vanguard", the publication of the LHRAA.

Churchill Archives Centre: The Churchill Archives Centre (CAC) is one of the largest repositories in the United Kingdom for the preservation and study of modern personal papers.  It is best known for housing the papers of Sir Winston Churchill, the private papers of Baroness Thatcher, and a wide range of political, diplomatic, military and scientific collections, including such well-known modern personalities as: Ernest Bevin, Enoch Powell, Lord Kinnock, Sir John Colville, Lord Hankey, Admiral Lord Fisher, Field Marshal Lord Slim, Sir John Cockcroft, Sir James Chadwick, Professor Lise Meitner, Dr Rosalind Franklin and Sir Frank Whittle.

Rollins College Interracial Committee: The Rollins College Interracial Committee was a student-run organization at Rollins College with the aim of improving race relations, acting mainly through service projects for the African-American community throughout central Florida.  The committee was founded in the mid-1930s.  It was renamed to the “Rollins College Race Relations Committee” in 1945.  It was renamed to the “Rollins Inter-Faith and Race Relations Committee” between the years 1949 and 1950.  Notably, Fred Rogers, later famous for his role on Mister Rogers’ Neighborhood, served as president during the 1950-1951 school year.  The committee was disbanded between 1956 and 1960.

Supporting paragraphs: Like the Roman: The Life of Enoch Powell Rivers of Blood speech
Answer: Simon Heffer