The content is of 2072 words in total. 2. The in-text citations as well as the reference list has been clearly listed in the last under the category of "References". In-text citations have been marked in brackets in the content. 3. Achievements leading to the award, technical difficulties and the connection, everything has been mentioned in the essay. There is no history of their birth, schooling or marriage. The dates which have been mentioned are the dates of their awards. Their unique work has to be mentioned in order to specify their achievements and then their works are linked together if there is any connection. All the necessary points have been put in the essay. Please check again and the word count has been fixed as well.

subject: general studies -prominent scientists and their great discoveries, Topic: Discuss whether the achievements of Marie Curie, Linus Pauling, Frederick Sanger and John Bardeen deserve the award of two Nobel prizes to each one of them. Comment on whether there is any relationship between the works leading to the award of two prizes. Discuss the technical difficulties, if any, that you would expect these Nobel Laureates to have encountered in their scientific investigations. In-text citation (author year format) together with a full reference in APA style must be included at least 10 academic reference