Legendre (1752-1833), [179]

Leibniz (1646-1716), [173]

Linear construction, [40], [41], [42]

Maclaurin (1698-1746), [177], [178]

Measurements, [23], [40], [41], [104]

Mersenne (1588-1648), [168], [171]

Metrical theorems, [40], [104], [106], 107, [141]

Middle point, [39], [41]

Möbius (1790-1868), [179]

Monge (1746-1818), [179], [180]