Roman Jakobson — Russian Scientist born on October 11, 1896, died on July 18, 1982

Roman Osipovich Jakobson was a Russian–American linguist and literary theorist... (wikipedia)

When I speak it is in order to be heard.
Linguistic sounds, considered as external, physical phenomena have two aspects, the motor and the acoustic.
Every linguistic sign is located on two axes: the axis of simultaneity and that of succession.
A new era in the physiological investigation of linguistic sounds was opened up by X-ray photography.
In poetic language, in which the sign as such takes on an autonomous value, this sound symbolism becomes an actual factor and creates a sort of accompaniment to the signified.