"in longing for" is correct and usable in written English.
You can use this phrase to express a feeling of strong desire or yearning for something. For example, "She looked up at the stars in longing for a better tomorrow."
In longing for it, scientists demonstrate a concern for themselves as creators, as irreplaceable makers.
His life passed in longing for his wife and his son, Lee, who was born in March 1983.
If The Wind in the Willows inspires nostalgia now, that is because it is itself saturated in longing for other times and other places.
"Rubies" is all Jazz Age angles and sass; "Diamonds" is steeped in longing for a lost world particularly the rather melancholy pas de deux.
By day three, I began to sympathize with the throng of the dead, beached on the bank of the underworld river, in Book VI of the Aeneid, who "stretch their hands out in longing for the farther shore".
I am not alone in longing for bygone days when children were introduced to drinking in the home, under adult supervision.
After two, one is in longing-for-an-afternoon-nap territory.
"The rise of total war between the Civil War and World War I was rooted in longings for release from bourgeois normality into a realm of heroic struggle," he writes.
Stijn left Delft within a year and took up physics in Utrecht in a longing for a broader academic education.
Vivian Maier's photographs enveloped me in longing — not for Chicago or black-and-white photography but for the perspective of a waist-level viewfinder on a twin-lens reflex camera.
In 1965, Ms. Djebar, chafing under the constraints of the new government, went to live in Paris, but in 1974, longing for home, she returned.
