1. (

• Haldane ,
• J._B._S._Haldane ,
• John_Burdon_Sanderson_Haldane

) Scottish geneticist (son of John Haldane) who contributed to the development of population genetics; a popularizer of science and a Marxist (1892-1964) ;

2. (

• Haldane ,
• John_Haldane ,
• John_Scott_Haldane

) Scottish physiologist and brother of Richard Haldane and Elizabeth Haldane; noted for research into industrial diseases (1860-1936) ;

3. (

• Haldane ,
• Elizabeth_Haldane ,
• Elizabeth_Sanderson_Haldane

) Scottish writer and sister of Richard Haldane and John Haldane (1862-1937) ;

4. (

• Haldane ,
• Richard_Haldane ,
• Richard_Burdon_Haldane ,
• First_Viscount_Haldane_of_Cloan

) Scottish statesman and brother of Elizabeth and John Haldane (1856-1928) ;