Georges Gilles de la Tourette described symptoms of Down syndrome.
Maud Meyer was a Sierra Leonean Nigerian jazz singer who rose to prominence during the 1950s .. She was born in Port Harcourt , Rivers State , in Nigeria .. Nigeria. Nigeria. From an early age , Meyer was exposed to music and had learnt from her mother who had a band .. Musically , she was strongly influenced by the sounds of Billie Holiday .. Billie Holiday. Billie Holiday. `` Meyer 's skills were unrivalled ; she would listen to any kind of music and convert it to jazz instantly '' .. According to Emeka Keazor , `` She was one of the greatest female jazz singers of all time . ''. Meyer garnered a massive following on the club circuits .. She also performed with various popular bands across Africa .