"Ideas That Have Helped Mankind" has been written by Bertrand Russell. He was born in 18 May, 1872 in Trelleck, United Kingdom and Died in 2 February, 1970 in Penrhyndeudraeth, United Kingdom. He was a British Philosopher, he won The Nobel Prize in Literature in 1950. His Important works are, ”A History of Western Philosophy”, “Human knowledge: Its scope and Limit’s”, “Conquest of Happiness”, “Roads to freedom”, “Why I am not a Christian”, “Marriage and morals” etc.

1. Conception: धारणा / विचार

2. Diversity: विविधिता / परिवर्तन

3. Preliminary: प्रारंभिक

4. Indubitable: जाहिर / स्पष्ट /निस्संदेह

5. Homo-sapiens: मानव जाती

6. Hirsute: बालदार / झबरा

7. Congenital: जन्मजात

8. Catastrophe: तबाही

9. Curbing: रोकना / नियंत्रण करना

10. Erudite: वज्ञानिक

11. Depredation: नस्ट होना

12. Multiplicity: बहुलता / बड़ी संख्या

13. Brutes: बड़ा या भयंकर जानवर

14. Humane: दयालु

15. Propitious: अनुकूल / शुभ

16. Anthropologists: मानव विज्ञानी

17. Moloch: प्राचीन यहूदी देवता जिनके लिए बच्चो को बलिदान के रूप में दिया जाता है

18. Evangelicals: ईसाई धर्म पुस्तक सम्बन्धी

19. Prerequisite: शर्त / आधार

20. Thence: उधर से