Mezue ahịrịokwu na-esonụ: Holger Henry Nielsen (2 Ọktoba 1910 <unk> 18 Nọvemba 1969) bụ onye Danish na-agba ọsọ na-agba ọsọ. Nielsen jidere ihe ndekọ ụwa nke 3000 m site na 1934 ruo 1936 wee nọrọ n'ọkwa nke atọ na ụmụ nwoke 10,000 mita na
Asọmpi Iko Mba Europe nke afọ 1934.