| FIR | of greatest importance |
|---|---|
| FIR | taking everything together |
| FIR | the act of beginning something new |
| FIR | first or lowest balcony |
| FIR | British economist (born in India) whose report on social insurance provided the basis for most of the social legislation on which the welfare state in the United Kingdom is based (1879-1963) |
| FIR | British physicist who invented the Kelvin scale of temperature and pioneered undersea telegraphy (1824-1907) |
| FIR | English writer of historical romances (1803-1873) |
| FIR | English historian noted for his history of England (1800-1859) |
| FIR | English businessman who created a retail chain (1888-1964) |
| FIR | English sociologist and economist and a central member of the Fabian Society (1859-1947) |
| FIR | British physicist (born in New Zealand) who discovered the atomic nucleus and proposed a nuclear model of the atom (1871-1937) |
| FIR | British physicist (born in New Zealand) who discovered the atomic nucleus and proposed a nuclear model of the atom (1871-1937) |