proposal
... that Carl Friedrich Gauss is credited with a proposal to signal aliens by drawing a massive representation of the Pythagorean theorem on the Siberian tundra using pine trees and fields of wheat?
... that <a href="./Carl_Friedrich_Gauss" id="mwAho" rel="mw:WikiLink" title="Carl Friedrich Gauss">Carl Friedrich Gauss</a> is credited with a <b id="mwAhs"><a class="mw-redirect" href="./Gauss'_Pythagorean_right_triangle_proposal" id="mwAhw" rel="mw:WikiLink" title="Gauss' Pythagorean right triangle proposal">proposal</a></b> to signal <a href="./Extraterrestrial_life" id="mwAh0" rel="mw:WikiLink" title="Extraterrestrial life">aliens</a> by drawing a massive representation of the <a href="./Pythagorean_theorem" id="mwAh4" rel="mw:WikiLink" title="Pythagorean theorem">Pythagorean theorem</a> on the Siberian tundra using pine trees and fields of wheat?